look up any word, like space monkey:

1 definition by Lil Tree

 
1.
an up and coming acronym that is used to describe a special moment that you share with someone that makes you laugh at the same time: Intimate Yet Comical Moment (iycm). It is pretty similar to an inside joke.
Alex: "Corinne, that was gantastic."

Tally: "What does gantastic mean?"

Alex: "Don't worry about it; it's an iycm."
by Lil Tree August 09, 2011