Bost 

When something has stopped working

I switched my computer on and it was Bost,

Bost by Neil Mason February 20, 2004

bost 

'Bost' when someone or something has gone wrong. Can mean anything from someone whos not in total control of themselves or has been injured in some way. Applies to material things such as cars also.

"Look at him, he's bost after that pint"

"He's gone in the head, totally bost"

"Mate, your car is bost, didn't you see the bus coming"?

bost by Jimma Arnold January 14, 2004

BOST 

Big Ol' Saggy Titties

After she gave birth to our first born, I would watch her feed him with her BOST and knew that things will never be the same again.

BOST by MasterGrizzle January 15, 2008

bost 

Black country British term for something being broken or that has just got broken. Or hitting something causing damage

feck, just bost my pen

Just bost me toe off the chair!!!

bost by Miss Brit June 12, 2011

bost 

1 - Something broken, usually beyond repair.
2 - To strike something with fist or instrument.

"Look at Ian's car, its bost"

"What happened to his face"? "someone bost him with a tool!"

bost by Jaimeson January 14, 2004

Bost 

A form of "bust", as in ejaculating. Can be used to say if anything or anyone is attractive.

Fett: "Damn, she's Bost"
BS: "Fett... that's a dude"

Bost by BS July 22, 2004

bost 

a small furry animal that defies the laws of cuteness.

or, slang for best friend.

dude your cat is such a bosta cat.

hey bosta! whats up?

bost by davidthedudeman January 17, 2009