A sexual position (usually with 3 people, one preferably with long hair) where one person puts there hair around a females genitals, then a male penetrates the females genitalia with his penis until the nest is dyed white with a mixture of the 3 peoples sperm.
“What’s up man, you look like you haven’t slept!”
“Aw man you should’ve seen it, I performed the Polish Birds Nest with Sally and Greg.”
“Isn’t Sallly your sister?”
“Aw man you should’ve seen it, I performed the Polish Birds Nest with Sally and Greg.”
“Isn’t Sallly your sister?”
by Cdvdbrghthrhdv June 21, 2023

Talking to someone and it not lasting very long. Or being friends with someone and it not lasting very long. Now there gone and they still discuss you. They’re for the world. And they pass your messages on like a pigeon. They’d be a bird.
by AlmightyFloridaMMLB March 30, 2020

A British term meaning "your girl", as in your girlfriend. Usually said as a insult to a friend about their partner in a similar way to a yo mama joke where "yer bird" is portrayed with very charva or manlike tendencies or traits.
by ElliotwithoneT August 31, 2025

Jaylen: "yeo why is Skylah on Atlantic again w allem niccas"
Cameron: "nah what she's s bird, where is ha crib"
Cameron: "nah what she's s bird, where is ha crib"
by Sbbillz' January 25, 2024

Dude! That girl that blew me in the back of the bar just made out with Todd, she gave him the Baby Bird!
by Chicago Red Army April 5, 2017
