A conglomerate of awesome persons, events, or things in a single area or event
"What? James Franco, Seth Rogen and Jason Segel were all in Freaks and Geeks? Plus it was produced by Judd Apatow? What a Party Hat."

"This year's Coachella was a Party Hat! Damn that Tupac Hologram!"
by kateniss cofferybean May 23, 2012
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Boobs, when they have party hat icons over them in a photograph sent to someone on their birthday.
Liz has some fantastic party hats in her photo today.
by Mr&MrsBottoms March 3, 2015
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An uncircumsized penis. The extra skin acts as a hat.
"I had to pull back Shawn's party hat to even tongue his tip when I was fellating him." Exclaimed Christine.
by PartyFavors.com December 4, 2008
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phrase used to describe a "bucket hat" when worn by custies, mooks and f-ed up frat boys. In a crowd of beer guzzling abercrombie wearing mooks, there will always be one wearing the hat in question.
"Some fratboy threw his Dude party hat on stage at the Dave Matthews Band concert."
by bph4eva October 31, 2004
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Molded chocolate hat designed to fit on the head of a penis. Primarily used to enhance oral sex for both the man and woman. Usually secured to head of penis with peanut butter, marshmallow creme, or caramel sauce.

Also see - Dick Hats
I hope that bitch is bringing the Chocolate Party Hats to my bachelorette party!
by DurTSanchez May 8, 2008
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A paper toilet seat cover that you use on a public toilet so you don't get other people's crap on your ass.
"I needed to you the restroom at the Burger King but there weren't any mexican party hats to put down on the toilet".
by vtec16 April 11, 2005
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A thick white and or yellow discharge/cottage cheese like liquid that stems from an uncircumsized penis/party hat.
"His party hat cheese was so thick and disgusting that I couldnt go down on him more than once." pleaded Roxanne
by PartyFavors.com December 4, 2008
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