15
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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16
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 04, 2008
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17
This is given to an opposing player in the Halo videogame series when a plasma grenade is stuck to their head. The name originates from the blueish glow right before the grenade detonates.
Halo player 1: Here you go, a personal party hat just for you! *stick*

Halo player 2: Whah? *booom*
by CallMeNightmare April 22, 2009
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18
poop in a Party hat and cum on the poop and put the hat on a person head and when they take the head off they will have the poop stuck on their head
Bob just gave Lucy a Party Hat.
by Stinky Rebel August 11, 2008
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19
The act of upending one's drink onto another's head, the inverted cup appearing to be a party hat.
Joe: Did you see Grant hitting on Nicole last night?
Mike: Yeah, but his girl saw and definitely gave him a party-hat.
Joe: LOL
by SounD January 30, 2014
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