When a stoner takes the bowl from his or her pipe/bong and gives themself a burn mark. This is usually done by masochistic pot heads who get bored after smoking.
by Steve_Juggernaut January 02, 2010
This is when your turds rubs against the bottom of the toilet bowl and creates a burn mark. Similar to rocket burns in underwear.
by Iamjake November 04, 2012