look up any word, like fleek:
 
1.
The dirtiest kind of anal sex you can imagine. Basically anal sex that turns into a pool of shit with continuous sex and no clean up. Normally done by really dirty mofos and guys who want to experiement a little further than just regular anal sex.
Ex)
1. Jordan gave Michelle a slippity slip slop yesterday and nobody cleaned it up

2. My boyfriend gave me a slippity slip slop and and it was worse than the Dirty Sanchez I got a week ago
by DragonHerpes January 07, 2014