When a novice anal bead user pulls the string of beads out too quickly as if he were trying to start a chainsaw, thus causing the women to poop on his chest.
Eddie: how did your date go with Juanita?
Alex: I didn't know how to use the anal beads and I pulled a dirty chainsaw.
Alex: I didn't know how to use the anal beads and I pulled a dirty chainsaw.
by Puff Jr. and Pickels October 2, 2008
Get the Dirty Chainsawmug.