Big Rat 

The biggest of all rats. When you call someone a big rat it usually means that they are so stupid and ugly to the point where they are not just a rat they are a big rat.

Big rat energy

Big Rat by Gonnaskip August 5, 2019

dance rat 

A person who goes from person to person on the dance floor.

"Look at that dance rat, he is so annoying messing with those girls like that."

dance rat by Rinkotsu, the loyal Fox November 13, 2007

flea rat 

1) name you call close friends in a joking manor
2) someone that really pisses you off to an extreme
3) a friend that you hate

damn flea rats, always rifling through my shit

flea rat by woahdog August 19, 2009

skank rat 

A FEMALE THAT DOESN'T EVER TAKE A SHOWER, AND SMELLS LIKE A DIRTY SEWER RAT.....

"FELICIA" OFF OF (FRIDAY) THE MOVIE, IS A DIRTY (SKANK RAT)..

skank rat by SEMEN EATER September 20, 2013

Arcade Rat 

A kid with low adult supervision who spends all of his free time At the arcade wasting money on stupid games that him nowhere in life. The arcade rat, usually from 8 to 16 years old, is often seen at movie theaters, failing shopping malls, and Chuck e. Cheeses in the case of budding arcade rats.

Dang, that arcade rat was back again today I'm starting to worry about him.

Arcade Rat by slang shakespear November 1, 2014

sewer rat 

A person who is worse than being called just a rat.

She is such a Sewer Rat!
Whata god damn Sewer Rat.

sewer rat by melawd November 29, 2015

pier rat 

A southern californian delinquent, who you can always catch at any hour of the day, but mostly night, doing hood rat activities at the pier.

Person 1: Yo man, I haven't seen orion in like 4 weeks. Did he drop out?
Person 2: bro, he's a total pier rat, he's probably just been surfing and way too high to show up.

pier rat by LonelyIncubus July 10, 2017