When a man cums into a girl's mouth, then, like toothpaste, swishes and gargles the cum before spitting it out, usually onto or into the man.
Dudebro #1: Dude I heard you smashed Stacy last week, that girl's a freak bro!
Dudebro #2: You aren't kidding, she was gargling gravy! My nut didn't taste half bad too.
Dudebro #1: Bet? Lemme get a taste!
Brown toilet water from diarrhea.
After Kevin left the restroom I had to go and realized Kevin made a bowl of toilet gravy. " You suck Kevin!"
Emilio: Peter got so excited during the Prince concert last night that he dragged me into the men's room during the intermission and made me jam my cock up his gravy funnel.
Diahorea on a dick
Stuart: My wife gave me gravy and chips. Fuckin loved it
A proverbial delivery device that delivers a accelerated increase of weight causing the victim to carry an expression of surprise regarding thier morbid obesity.
I talked to that girl Shelby last week, She used to be straight smoking. Now she looks like she got hit with a Gravy Dart. She's bigger than a yer Ma!