Top definition
The act of a male delicately licking the vagina of a female while she is defecating, preferably log-type shit but explosive works as well.
"Dude I totally gave Tiffany a dump box the other night. It was awesome!"

"I love when he does a dump box on me."
by Tiff-Steph January 22, 2009
Get the mug
Get a dump box mug for your father Callisto.