1 definition by endub1
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