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When you're incredibly happy about something.
So happy in fact, that your enthusiasm could easily be perceived by others as you being gay for said object of affection.

Butt happy is the antithesis of being butt hurt.
Mikey was all butt happy when he heard that Tool was playing a show in downtown Austin.
by Psych091 May 09, 2011
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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