Top definition
When you are talking on AIM and either you or your buddy uses sarcasm, but it is difficult to tell if they're being sarcastic or not due to the nuances of the spoken language.
L-Money: So I take it you're real busy right now.
M-Dawg: Is that AIMcasm, or are you serious?
by mxv January 30, 2008
Get the mug
Get a AIMcasm mug for your guy Riley.