sewer rat 

Ja Rule? A sewer rat? No way! A sewer rat can't be anywhere NEAR that repulsively ugly.

Ja Rule is so ugly he could give a sewer rat nightmares.

sewer rat by sarcastic May 20, 2003

Smack Rat 

A person who takes hard drugs and is skiiny and pale.
Often seen riding at night on stolen girls mountain bikes or trying to sell items of stolen equipment to feed there habbit.

"Get out my shed, you robbing smack rat".

"Oy smack rat, put it back its not yours".

"How much for that flymo ya smack rat".

Smack Rat by twinkle k March 21, 2009

greasy rat

filthy spotted person with greasy hair.

"see that craig, he is such a greasy rat"

greasy rat by Billy.C June 28, 2008

Brother Rat 

A member of a group of very different people who through trials and tribulations become more then just friends... they become brothers. Through a mutual name, these people take on a new identity of Brother Rats. This term can be used as means to ask a favor as well.

"BROTHER RAT" 'clap' 'clap'
"Hey Rat, go help your Brother Rat."
"Hey Brother Rat... do have $20?"

Brother Rat by BrotherRat2012 September 8, 2009

Swall Rat 

A 'swall rat' is someone who constantly is drinking alcohol, their 'swall.' A Northern Ireland slang word, used amongst younger people. When people call others a 'swall rat' it is usually taking the piss but can be used seriously. Also see 'swall demon.'

1. Oh my word, you had one beer? You swall rat!

2. She's a complete swall rat, she was just swallin' on her swall all night long.

Swall Rat by xhjx July 26, 2010

city rat 

"City rat" is universal and multicultural term for a person/s, that spend their time in metropolitan areas such as a city for no particular reason. They have distinguishable features such as snapback hats, hipster hair cuts and Adidas LA trainers. They can often be found posing in front of graffitied walls or with a milkshake in hand. When called a "city rat" they can and will become quite agitated and defensive.

That city rat isn't doing anything productive with their life.

city rat by Adam Waterlude March 11, 2015

bloody moon rat 

1. A more artistic description for a used Tampon.

2. When a woman pulls out a tampon once it is "full" it resembles a "red rodent". The string being the tail, and the absorbant being the body.

"I'll be a few minutes late, I gotta flush a bloody moon rat."

"Every month I give birth to a litter of bloody moon rats."

"You know it's a bad movie when you see bloody moon rats crawling down the screen."

bloody moon rat by BubBLeB0y August 5, 2006