1 definition by ElevenOsix

Butter-Knife

The action of using your dick to wipe your cum on a part of your partners body, in a similar fashion to how you spread butter with a knife.

Chad: Yo, my bitch loves when I butter-knife her ass after I pull out.

Brad: Yo, she a freak, man!

by ElevenOsix May 4, 2018