An acronym for I Did Your Mom.
Bob: Hey man, IDYM.
Joe: What does that mean?
Bob: I Did Your Mom!
Joe: Hahaha, you owned me :(
Bob: Yes, yes I did.
Joe: What does that mean?
Bob: I Did Your Mom!
Joe: Hahaha, you owned me :(
Bob: Yes, yes I did.
by jrcdude November 3, 2007
by andydawiz November 17, 2007
An acronym meaning "I did your mom" used in many countries including Asia, America, and sometimes Canada (who knows why)
by DamnWhoDisPollo December 12, 2011
An acronym for "I Drink Your Milkshake." Normally used to denote that someone has been "owned" or has had their thunder stolen.
Dale the Dinglish Speaking Derelict: Look at how long my Dinglish drawl is.
Long Dong Assler: Dale, IDYM. I would have to fold mine in half to be the same length as yours, you crotch goblin.
Long Dong Assler: Dale, IDYM. I would have to fold mine in half to be the same length as yours, you crotch goblin.
by endub1 August 6, 2008