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A sexual act consisting of simultaneously ejaculating inside your partner's vagina whilst vomiting in her mouth.

Variations of this act include "The Dirty Bird Feeder" which employs a similar method but in the classic 69 position.
Dude, I totally gave your sister the bird feeder last night!

That bird last night was so minging I accidentally gave her the bird feeder.

The wife wanted to try new things in bed but was less than happy when I tried The Bird Feeder out on her without prior warning.
by Noise Boy November 18, 2011
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2
when a man lays on his back, shoots his cum into his belly button, then has the woman suck it out.
last night i totally did the bird feeder with my girlfriend.
by SeƱor Rivera February 03, 2010
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