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Yet another slang term for breasts. Along with Boobs, Tits, Boobies, and Jugs. Coined by two very exhausted Bennington College girls working on their biology and stage management homework.
"I hate my Birbs"
"Look at that girl's birbs. They are huge"
"Oh my, my birbs are all wet. Ew."
"Guys, wouldn't it be great if you could like take out your uterus? Then people could like steal your uterus and make you try and get it. Then you'd value it more. Birbs."
Birb by Dr. Bryan Badass's assitant. September 9, 2009
Related Words
A person that has one of the biggest foreheads that the world has seenand usually gets mad very easily. They can be some of the most amazing people you’ve met. Can be also know as Birbiana
“That girl right there is such a birb”
“She’s a birb, just look at her forehead it blocks half of the whiteboard
Birb by Birb whisperer March 28, 2019
A powerful species able to achieve potential no single living creature has ever dreamed of encountering. Seen as the gift of the Gods, these eternally youthful beings may be extremely dangerous due to such promissing skills. The cause of the birbs strange customs lie a mystery, as you can in this most peculiar of rituals (Look up Belly Dancing Birds on Youtube )(credits to original animator).
(Look up French CanCan ! Animation on Youtube) (credits to original animator)
Me: Here we can perceive said creatures engaging in a act of similarity to that of a satanic ritual. Many see birbs as ignorant and foolish, but that is just what they wish us to think. The truth lies much deeper...

Much, MUCH deeper...
Birb: It's not about the normal definition we might know but it's about the VRCHAT birb. Those are bird avatars in vrchat that represend the 'great tit'. They're absolutely adorable and so far I know extremely friendly.
Oh my gosh look what a cute avatar! It's a birb!
Birb by Skybelle July 25, 2018
the gayest thing you could call someone
wow, that guy's so birb
birb by idkmanijustwantmoney November 24, 2018
What someone in a euphoric state of mind calls a birb. Used in any sort of situation.
“Bruh While I was tripping I saw a sphebe and some weird ass bird”
Friend: “oh, so that’s what you meant when you called it a birb”
Birb by Friedeveryfriday March 27, 2019