Reverse Glass Bottom Boat 

The act of shitting on someones face, then wrapping their head with saran wrap to smush the shit all over thier face. A perverse sexual move more prevalent in the African-American community.

Marcus found out his ho was sleepin with his homeboy, so he reverse glass bottom boated that bitch right after he gave her a flaming wally.

Reverse Glass Bottom Boat by Phil Hackney September 8, 2006