When Your slut Girlfriend gives you head while simultaneously jerking off two of your friends
"betty is the dilch i can't believe she cruised a dirty bird on me,sam and bill!"
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A chick who doesn't change her panties.
"Damn that bitch is one dirty muthafuckin bird"
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A nasty, grosse, just all around disgusting woman. Most commonly refered to as a skank. A dirty bird can be found in all types of setting: office, retail, high school, college, military (most have been found here). A dirty bird usually think she is not a dirty bird or skank and always laughs when someone calls her that. In all reality the people are not joking and really do think she is a nasty piece of shit.
Also if said woman is white and likes black men, then she is one of the biggest dirty birds of all time.
Smith: I saw this one goat giving it to another goat and it turned me on.
Others: You are a fucking dirty bird!
Smith: lol I love you guys:
Samith walks away.
Guy 1: Does she think we are joking?
Guy 2: Probably, but we totally aren't, shes a nasty skank.
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When a girl gives two handjobs at once, while bending over, so it looks like her arms are flapping wings, while another guy pounds her from behind, making her squawk like a bird.
Dude, we should totally get that girl to dirty bird us.
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In skateboarding, a varial heel flip revert. Also can be named as a varial heel flip with a backside 180. Such as a ghetto bird is a hard flip with a backside 180, a dirty bird is varial heel flip instead.
Skater1 - "Did you see that gnarly ghetto bird?"
Skater2 - "No dude, that was a heelflip not a kickflip, it was a dirty bird."
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1. a young attractive woman of questionable origins
2. a young under-dressed and generally whorish woman
Cristina Agulara is such a dirty bird her vigina drips mud.
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A marijuana joint with crack cocaine sprinkled in it.
Matt had a great day today, so he celebrated by smoking a dirty bird.
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