by Potato75 March 21, 2019

by Light Joker September 28, 2004

by Webster April 20, 2004

by osama April 22, 2003

Someone who is believed to be trustworthy who later on betrays you in some sort of manor. They are also known as liars, backstabbers, and fools.
Person 1: Did you hear what (PERSON) said about you?
Person 2: Yeah she's such a sewer rat! I can't believe I trusted her.
Person 2: Yeah she's such a sewer rat! I can't believe I trusted her.
by random.idiot.that.hates.boomer October 28, 2019

The sound that is made when one person (man or woman) grapefruits another person (man).
See definition of grapefruiting
See definition of grapefruiting
Used in a sentence: “she gave me the best grapefruiting last night while I was watching the teenage mutant ninja turtles on tv; the gurgling sewer noise was so loud I hade to crank up the volume to 42! “
by DialUpDaddy March 22, 2020

More commonly known as a rat. They are found in the subway transit of New York City, or any subway for that matter.
Guy 1: I'm hungry, wanna stop by China town and pick up something to eat?
Guy 2: I bet china town has some mean sewer chicken for sale, you would probably like that!
Guy 2: I bet china town has some mean sewer chicken for sale, you would probably like that!
by Malachi Messersmith May 16, 2016
