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.”
by trentsteele March 23, 2014
Get the Snap a log mug.
Taking a dump, in particular a long stiff tubular type that holds its shape well.
Man, I gotta snap off a log!
by Turd Burger Boy October 6, 2003
Get the snap off a log mug.