Meme rat 

Someone who repeatedly uses old memes, and likes dubstep and mlg, a meme rat's main source of memes is looking up "meme" in the chrome task bar and clicking on images. meme rats usually have small penises.

meme rat: dank 360 no-scope thrickshot Doritos
normal human being: shut up meme rat

Meme rat by Stalin is daddy December 18, 2016

Trap Rat 

A fake ass ride or die chick that traps you with a baby, but she has a nasty puss.

Damn, that trap rat is pregnant. Now Billy is stuck with her and her sour vag.

Trap Rat by TylerDurden1026 February 8, 2017

Sue rat

A person who so so ethically low that they look for ways to invent an issue with a personal or a company to get money.

Did you hear about that guy that tried to put a cockroach in the tacos so he could sue Taco Bell? Typical sue rat!

Sue rat by Dontbeajerk March 9, 2017

crusty rat 

Crusty rat means austin

Austin ur a crusty rat 🤢

crusty rat by Katiēlʻʻ March 15, 2017

swamp rat 

muskrat

1. The charity swamp rat dinner shouldn't be called a dinner. It should be called an eat.
2. The original name of the team was the NJ Swamp Rats.

swamp rat by Ninja Clan Lord March 18, 2017

hairless rat 

Meaning when someone is unpubic or hasn't reached puberty

Shut up you hairless rat

hairless rat by Secrecy April 6, 2017

Meek Rat

Long haired dark skinned individual who usually has a name belonging to an easily bullied human

person 1 - Look at him, he looks like a meek rat

Meek Rat by Helios07 April 9, 2017