People at my school who don’t know how to shut up. A rat is basically someone you don’t like at all.
by not your homie December 11, 2018
Get the Ratmug. 
Often referred to as Mullet Rat, a Rat is someone who is between 14-17 years old who has a mullet. Typically Rats have lots of girlfriends as it's their instinct to try and reproduce. Rats usually live in a shit house and have divorced parents.
person1: I'm gonna fuck u up kid
person2: Ew ur a mullet rat
person1: OK, and?
person2: You are the lowest a human being can go
person2: Ew ur a mullet rat
person1: OK, and?
person2: You are the lowest a human being can go
by Detaetiousinqq January 14, 2022
Get the Ratmug. A antisocial girl who is boring and really dry. Never had good advice and is really slow/dumb very rarely is a good friend. I would rather have other friends like Tasianna.
by Whywasweeeused November 1, 2020
Get the ratmug. Any spawning non-player characters NPC that exist in massively multiplayer games MMORPGfor the human player to kill. Generally low ranking baddies who are quite easy to kill. Take off on the classic first enemy of so many role playing games RPG, the (nearly) harmless sewer rat.
The act of killing rats.
The act of killing rats.
5 rats just spawned near me, help me waste them!
These rats drop some nice loot!
"What you doing?" "Oh, just going to rat a while."
These rats drop some nice loot!
"What you doing?" "Oh, just going to rat a while."
by Daemonwell September 2, 2008
Get the ratmug. 
by daddy kid August 27, 2020
Get the ratmug.