Astin's definitions

Sirmon

Something sweet that happens, usually out of nowhere. Often the user who says it will move his hands in a vertical motion to accompany the "sirmon."

"Dude, Katy Perry is coming to our dorm room...topless."

"SIRMON!"

or

"Dude, I found the entrance to Narnia."

"SIRMON!"

by Astin December 24, 2008