When two guys receive a blowjob from the same girl. Similar to Eskimo Brothers, but called Baby-Bird Brothers due to the similar action a mother bird uses to feed her young.
Guy 1: "Hey I got a blowjob from Shaylyn."
Guy 2: "No fucking way, me too!"
Random bystander: "Dude, you guys are Baby-Bird Brothers!""
Guy 2: "No fucking way, me too!"
Random bystander: "Dude, you guys are Baby-Bird Brothers!""
by Randy Rocket May 28, 2018

During oral sex you have your partner lie on their back and dangle your cock rigbt above their mouth and make them open wide like a baby bird
by Manuel59manuel November 8, 2017

When you're having sex with two girls and you pull your cock out of one of the girl's pussies and shoot jet after jet of hot, nourishing cum in the other girl's mouth and proudly exclaim, "you're welcome".
She could barely wait until I fed the baby bird. They both begged me for my cum. I had to get busy feeding the baby bird.
by ol' saddleface August 20, 2018

When a Tree Climber calls "BABY BIRD!" The groundguy runs under the tree, opens there mouth looking upward, flaps their arms.
The Climber then spits in the groundguys mouth.
The Climber then spits in the groundguys mouth.
FRANKS in the tree top pruning a tree. Dan is a asshole so Franks yells baby bird, Dan runs under Frank tree begings Baby Birding . FRANK spits in his mouth.
by Aholetreeguy November 23, 2022

When you are hitting it from behind and cum, then the ole lady coughs and you catch it in your mouth.
Last night I had the ole lady bent over the trailer hitch and I came in her, then bent over to smell her ass and she reverse baby birded me.
by Mr. Big Nutz April 19, 2024

When the guy ejaculates into the woman’s vagina then goes down on her and sucks his semen out of her vagina, then proceeds to spit it into her mouth like feeding a baby bird!
by Kbash January 15, 2021

by lil_BIG_dick January 17, 2018
