feces, product of defecation, another word for shit, or a derogatory word used towards someone who is being distasteful
person 1 "where you going mate?"
person 2 "i gotta go hang a dirt bird"
person 1 " i just had sex with a frog"
person 2 "oh your a f**cking dirt bird"
a girl or woman who goes out and hangs around clubs and bars in skimpy clothes. to attract a drunk male for coitus
"look at her dave id fuck that"
Urgh why shes a fuckin dirt bid shes proberbly had more pricks up her than a heroin addict!
Localised - Dublin, Ireland.
A Dirt Bird can also be someone who'll do anything to finish something, low morals. A person that'll stoop to anything, basically.
You're a fucking Dirt Bird.
He's a Dirt Bird.
Yer ma's a Dirt Bird.
(simple exclamation from a crowd to a single target) Dirt Bird!