a sexual act in which a man or woman get on their back while a line of men ejaculate on them, but this important: they have to go over the man or woman like their a train going over them and the gravy is obviously the semen.
by the train wrecker February 12, 2009
Get the gravy trainmug. 
N. (grAH-vee rayn-bO)
The fecal mustache that is created when a person performs fellatio on their partner after their partner has pitched during anal sex (Ass-to-Mouth).
Although possible in heterosexual encounters, the term Rainbow indicates that it is primarily a homosexual term.
The fecal mustache that is created when a person performs fellatio on their partner after their partner has pitched during anal sex (Ass-to-Mouth).
Although possible in heterosexual encounters, the term Rainbow indicates that it is primarily a homosexual term.
by Ribaldo Givera July 26, 2011
Get the Gravy Rainbowmug. by zoxparpu September 14, 2012
Get the Devil's Gravymug. by obangomcdoogle August 18, 2020
Get the it's all gravymug. by jinglebot January 13, 2008
Get the gravy piemug. by Fupasloth508 July 11, 2017
Get the gravy dumpstermug.