burnin the muffin

Speed fucking the bitch, causing heat sores.

Dwayne: "Wassup with yo girl?"
Leonard: "I wuz burnin the muffin last night ..."

by HandJive Willie June 27, 2009

This happens when a man and woman have high velocity coital relations, thus causing severe friction burns on the woman's vaginal region.

"Why you walkin' like that?"
"Me and Joe was burnin the muffin last night."

by Han Fastolfe June 29, 2009