When one is defecating and proceeds to inadvertently sever their waste usually causing a high degree of cleanup to be required, normally involving a large amount of toilet paper.
Person 1: “Don't take too long in the bathroom, man.”
Person 2: “I'll try not to. Wouldn't want to snap a log.”
Person 2: “I'll try not to. Wouldn't want to snap a log.”
by trentsteele April 30, 2014
Get the Snap a logmug. by Turd Burger Boy October 06, 2003
Get the snap off a logmug.