1 definition by Zach Harrington

dirty calvin

When you and a female parter are having anal sex, she has to take a poop, so you pull out let her take the poop then you put it back up her buttox then u give her anal then you take the poop and put it in your buttox

" Oh damn! Me and that Bitch had a crazy night we had a dirty calvin"

by Zach Harrington January 12, 2009