The foul smelling fluid that forms at the bottom of large quantities of garbage. It is formed from liquids that have been thrown out mixing in garbage cans or dumpsters.
Friend 1: Would you drink a cup of dumpster gravy for a million dollars.

Friend 2: I wouldn't drink it for ten million dollars.
by BottledPizza April 30, 2016
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When a person has engaged in unprotected anal (or vaginal) sexual intercourse and their partner(s) have ejaculated inside of them leaving behind ejaculat to the point the receiving partner could be considered a cum dumpster. Any fluids including but not limited to: anal mucosa, sperm, semen, lubricants, saliva, mucus, blood, or Diet Pepsi that pours, runs, squirts, oozes, or dribbles from the anus (or vagina) is considered Dumpster Gravy
Don't sit in that chair, Matt sat there and left a puddle of Dumpster Gravy!

I cannot believe Matt let Jamaal cuck him then ate the Dumpster Gravy right out of is boyfriend's ass.
by Redrokkit December 22, 2021
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A woman from Ware with 7 kids by 7 different guys.
I saw 10 gravy dumpsters at WalMart today. Thats an all time low.
by Fupasloth508 July 11, 2017
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