1 definition by Allycat2468

The act of not wearing a bra. Common for university students who are too preoccupied to give a flying rat's ass. Best suited for people with below average size boobs.
Steven: Something looks different about you!
Ally: That's because I am going freebird!!

Tatjana: I have so much schoolwork and I am late for class! Better go freebird
by Allycat2468 January 07, 2013

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