1 definition by the dark bunny

Top Definition
a girl obessed with 80s music from brazilan who attracts many men by showing her hoo-haa. you all know what that is...her awesome collection of POLLY POCKETS! usually has a brother by the name of arthur who doesnt smile much unless forced and walks with a hop. betina is also another name for a duck, because betinas qauck a lot and freak out about batman on many random occasions. all over this homo sapien is crazy, weird, lovable, and totally gacious...watch out!!
(couple is walking in the park)
*someone walks by and lets a huge fart just rip out all over the place*
guy-there goes a betina...
by the dark bunny August 10, 2009
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