fast girl 

can be either someone whos a slut( or at least gives the idea that she's easy) and/or a really fast runner
( usually the best is a combination of both, but being more of a flirt than actually putting out)

"fast girls finish first" -nike running shirt

fast girl by xcrunner06 May 15, 2006

fast girl 

A girl who is knida whore-like and easy to get in the sack.

"Man, that Ashley really is a fast girl" "Yeah man, I fucked that bitch up the wall the day I met Her!"

fast girl by ATown BTown April 27, 2006

Fast Girl 

A girl who has little ambition in life. One who parties heavily and lacks purpose, job or career goals.

I want to hit it with that fast girl.

No one wants to date a fast girl.

Fast Girl by MissVirginific September 7, 2010

Girl-fast 

When a guy abstains from all female company and communication for an extended period of time (usually 30 days).

Sergiu: Hey Joe? you still chatting to Erika?
Joe: Naw man, I've had my fill. I'm on a girl-fast.

Girl-fast by Jimmy Struthers January 10, 2012

Fast ass lil girl

11-16 year old little girls being sexual or flirting with boys/girls. Acting grown around boys, BASICALLY BEING A HOE AT A YOUNG AGE.

Mom: *On Phone* Yeah Girl I caught ShuhNeyNey flirting with some boys in the parking lot wearing me hoop earrings and some tight ass shorts. I believe im raising a fast ass lil girl. I whooped her ass tho, Hopefully she will change before she end up pregnant at 16.

Fast ass lil girl by ISwearImaBeatHerUp May 28, 2019

Fastgirl 

A woman who rides her R1.

A woman who is capable of introducing you to a whole world of hurt if you disprespect her.

Daaamn you see that Fastgirl? She rides the shit out of her R1!

Fastgirl by Fastgirl March 9, 2009

jerb 

well known from south park
rednecks get angrry that future folk took there jobs so they yell
They took ouare jerbs!

Them future folk took ouare jerbs!

jerb by Jimberley Kim April 7, 2005