Of course, this is only the beginning... I'm sure the wonderful BYB commenting community will add many more entries.
Disclaimer: This is strictly not intended to offend or harm anyone or to steal anyone's thunder. Just my take on the threads...
107 - 1. noun - the response to any question on the thread that demands a numerical answer
2E - 1. noun - Matt Tuiasospo (also "Tui", "Squiggles")
"90% of BYBers" - 1. noun - used to indicate some fail that just happened could have been accomplished by almost anyone ,e.g., "90% of BYBers make that play".
ABC - 1. noun short for the SB username "AlphaBakerCharlie" for example.
AJAX - 1. noun - Austin Jackson (also "Cleaner"; or "KJax" if he strikes out.
Avila'd - 1. verb- a catcher getting repeatedly pummeled by a thrown or batted ball.
banhammer - 1. noun. Used to keep BYB troll-free, usually preceded by the words "drop the."
bunting 1. verb - making a deliberate out in order to advance a runner 2. noun an act of sheer evil
"BYB After Dark" - this phrase appears in the thread (with accompanying image) when the comments start getting shady.
clutch - 1. noun not clutch 2. noun clutch
Country Strong - 1. noun Marcus Thames - note: not allowed to be used in any other context.
deeds - 1. noun - some polite act of kindness done by Don Kelly in addition to his baseball play (there was a whole post about this topic)
"Didn't want it enough" 1. phrase is used to explain any failure (see also "TWTW")
dinger - 1. noun what happens when Miggy squares up a pitch
dingleberry - 1. noun - the act of turning a long hit into a base hit - usually through lack of speed (see also "Thames'd". e.g., "Vmart lines one off the wall but has to hold at first for a dingleberry".
DOOM - 1. noun impending end of civilization; i.e., something bad happened to the Tigers. Spelled with more "O"s for effect.
fka Lamont - 1. this phrase is preceded by a name (e.g., Brookens) and is used to indicate that the signal given to a base runner was idiotic and/or identical to the signal that would have been given by Gene Lamont.
FOOD TRUCK - 1. noun Brayan Pena
GWilson'd - 1. verb - to throw down an obscure yet remarkable stat
H - 1. adj - a capital H inserted into a word causes the word to refer to Jhonny Peralta
haiku - 1. noun - anything in the thread that looks remotely likely a 3 line poem
Heavy B - 1. noun Bruce Rondon
hubris - 1. noun - a comment that requires the response "no hubris"
Ice Cream Man - 1. noun Anibal Sanchez
Iggy - 1. noun. Jose Iglesias
"I see no reason" - This phrase is used to indicate that what follows is completely unreasonable and is added for humorous effect.
Jason Verlander - 1. noun - Justin's evil twin. Myth has it they would exchange places sometimes, especially in April during seasons gone by leading to disastrous pitching results. The real Justin would always take charge again by May.
LOBster - 1. noun - runner left on base
malek - 1. noun the number eight, e.g, " The Tigers put up a malek of runs in the 6th inning"
Miami Marlins 1. noun - the Tigers AAAA affiliate
Miggy 1. noun Miguel Cabrera
mini Miggy - 1. noun former Tiger Avisail Garcia
"must win" - 1. adj - This phrase describes any game in which the Tigers are a contestant
narrative - 1. noun a story line for a game or season. Everything that happens must fit into it; often capitalized and preceded by the definite article, "The Narrative" 2. noun - any object of unlimited elasticity
Neck - 1. noun - Andy Dirks 2. verb - something done by Andy Dirks e.g., "He necked a single"
NERTZ 1. noun another name for Brayan Pena origin: from Pena himself; refers to certain characteristics of his anatomy specifically the upper portion of his thorax.
overflow 1. verb - to use up the capacity of the game thread esp. due to the loquaciousness of the commenters
overflow mojo 1. noun - the hope that somehow more comments will produce more runs
paper cut - 1. noun - cheap base hit esp. if it occurs against the Tigers
Porcello'd - 1. verb to remove a particular team or game from a player's stats 2. to give up more than a malek of runs in one inning via a series of paper cuts.
Puntopesky - 1. noun an opposing player without star quality who somehow annoys the daylights out of the Tigers. Prime example: Nick Punto Example: "Jamie Carroll can be downright Puntopesky sometimes".
Pythag - 1. noun - computation that represents how many games the Tigers (or any team) SHOULD have scored based on "run differential" 2. verb - used as an exclamation when the Pythag vs. actual record is out of an alignment; e.g, "We got Pythag'd!"
Razor - 1. noun Ramon Santiago
Revolving door of cats 1. noun - graphic used to depict Robin Ventura's use of bullpen. Expect to see it a lot after Sep 1 callups
Sneaky Power - 1. refers to a home run hit by the Razor
Thams'd - 1. verb - turning a long hit into a base hit - usually through lack of speed. Note: This term is considered obsolete -see "dingleberry"
Three True Outcomes - 1. noun Adam Dunn
TOOTBLAN: 1. noun a silly error on the base paths leading to one or more outs. e.g, "Iglesias and Hunter got doubled up in a TOOTBLAN there". origin "Thrown Out On The Base paths Like A Nincompoop"; - Al Beaton recap 08/15/2013
TTBDNS - 1. verb - a LOBster inducing scenario
#Twins hit - 1. noun - see "Paper Cut" Note: 99% of BYBers omit the space in the spelling in order to create a double entendre involving a scatalogical reference for humorous effect. Space omitted here in order to preserve PG nature of this Fan Post.
TWTW - 1. noun antonym to "didn't want it enough".
vark - 1. noun - an image of the "aardvark of victory" posted approximately 200 milliseconds after each Tiger victory
Vark-o! 1. noun game similar to Bingo based on comments during the BYB game thread.
VMart - 1. noun Victor Martinez
Wizard 1. noun - always preceded by an adjective, typically a baseball term and applied only to Don Kelly; e.g., "DK comes in as Pinch-Running Wizard"
"X did not look great in their last start/appearance" 1. phrase refers to any pitcher with a WHIP above 0.00000 in their last time on the mound