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Mildly insulting phrase denotes silly behaviour, actions or thoughts usually attributed to a child or immature person.
"Don't get angry at your little bro., he did not mean to pull your hair, he is a two-year old bird brain"
by Muyuna December 11, 2004
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May 5 Word of the Day
A catch all word to describe anything that is basic, uncool or untrendy. According to The New York Times, "cheugy (pronounced chew-gee) can be used, broadly, to describe someone who is out of date or trying too hard."

Things that are cheugy:

The New York Times
PT Cruisers
Goldendoodles

Australians

Addison Rae
White people
Billionaires

The person writing this definition
via giphy
by Callmemaybe69 May 04, 2021
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3
An annoyingly stupid and shallow person.
Sheila is such a birdbrain, she is always forgetting where her keys are.
by Supercords June 06, 2012
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4
A simple phrase that means that something is really dumb.
Aw damn, Melissa got a bird brain
by SlipNdip_69 March 29, 2020
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6
really dumb and ugly males who scratch their testicles al day long and like to interact with other bird brains. Hobbies include xbox,shooting,talkin about xbox and talkin about shooting...NOW NOW NOW NOW
ur bird brain is acting like a bird brain..
ur bird brain is being stupid!!!
by non bird brain January 27, 2011
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