Definitions by its reg

ICMSU 

I= I
C= Crack
M= My
S= Self
U= Up

im so funny, i make myself laugh. Also related to

UCMSU
U r so funny you make me laugh!

Joe complains about his day. I reply "some days you're the dog, & some days you're the fire hydrant, ICMSU"

ICMSU by its reg March 5, 2009