2 definitions by Steve Running

TSM

total sid move : when a person (usually a friend or acquaintance) does an action that usually results in you ending up with less food, or is in general a TBM (total bitch move) that shows the TSMer's cheapness or lack of empathy for what they are taking from you.

John : Hey look, my mom saved my very last piece of my father's birthday cake for me!
Sid : eats cake
John : Ah! You fawk! What a TSM!

by Steve Running April 3, 2008

tbm

Total Bitch Move: An action that results in screwing over the TBMee in some direct way. Most oftenly done on purpose, or done without thinking of the repurcussions for the TBMee. Can be performed by a male or female.

John: Hey dude remember that shirt I let you borrow? I need it back pronto, I have to hit the gym up.
Gord: Sorry dude, I just beat off for like a solid forty minutes and needed it to wipe 'er off.
John: vomits. dude...TBM...

by Steve Running April 4, 2008