1 definition by Josh Thompson
In the same family as LOL but much, much cooler. SOM stands for Shit On Myself. Because LOL is played out so bad SOM has started taking instant messengers by storm by way of hilarious imagery to the person that made the funny comment.
Joe: Dude we stuck a Hot Dog in Bud's mouth when he passed out last night and took pictures, total chief!
Jimmy: SOM
by Josh Thompson July 27, 2006