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Bird-arse (noun) : a bird-arse is a person that is attracted or has a fetish for women/men with an ass as small as that of a bird.
Someone that is so lazy that they sleep, eat and take a crap in only one room.
Mark: hey dawg that girl got a fine ass.
John: man u are such a bird-arse, that girl has a tiny ass.

Max has been in his room foh da whole week, he is such a bird-arse.
by MyMom January 24, 2013
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