The birdcage is when a guy has plans to chill with his friends but is then made to feel guilty to hang out with his woman.

Birdcage can also generally be a demanding girlfriend.
"Man, you coming out tonight?"
"Yeah, I'll be there..." --- phone rings---- "GOD DAMN BIRD CAGE!!!!!"

"What's Mike been up to recently?"
"I dunno, since his wings were clipped marriage he's really been birdcaged."
by The Festive Uncle Feaster September 04, 2009
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When your girlfriend owns the key to the cage that your dick lives in.
Help, I'm stuck in here. Let me out.

SOLID STEEL BIRDCAGE
by The Festive Uncle Feaster September 05, 2009
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An inappropriate over reaction; OR
A poor solution using drastic measures to a solve a problem.
1) She really put the baby in a birdcage and tried to burn down the Domino's that got her order wrong.

2) The Tea Party members are putting the baby in the birdcage on this Healthcare repeal.
by E.P. Cow July 14, 2011
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In it's most basic form, A group of brothers cheering uninhibited for their team to show how much they love and support their school. Creativity, brotherhood, raw emotion, and a tiny bit of arrogance is what makes the birdcage the best group of students to ever come together to support a high school sports team.
Creighton Prep Birdcage? Best student section in Nebraska, potentially the world.
by longlivecpbirdcage January 12, 2014
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