Definitions by joe8900

IM flake 

Someone who is flaky about responding to IMs. They usually respond a few minutes after you do and conversations are very slow and frustrating.

Screename #1 (2:15 pm): Hey
Screename #2 (2:32 pm): Hey

Joe: Dude, I was trying to ask Mary out online the other night, but I didn't even get a chance to because she's such an IM flake.

IM flake by joe8900 April 21, 2008