adj.: a term used to describe a vast spectrum of foul-smelling, gravy-like substances found at parties; on the floor near a toilet, on or around the bar or generally anywhere beer is served. Sometimes found in a girls hair when she has no one to hold her hair back. The stuff they wash off Bourbon Street.
1.frat boy #1"yo I gotta piss!"
frat boy #2"I just did,watch out
there's party gravy
all over the place!"
2."What's that stuff on that girls face?"
"Looks like a little party gravy"