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2.
The act of placing a penis in your mouth and sucking until you get a nice surprise.

"Blowparty: Nobody likes a job, but everyone loves a party!"
by White Trash Bastard April 27, 2009
 
1.
A party in, around, or involving copious amounts of cocaine.
Dude, this morning I woke up naked on the lightrail with my phone taped to my chest and my wallet taped to my back. I think I went to a blow party last night.
by phishfest8 February 15, 2010
 
3.
what you say to convince your girlfriend that she will have a great time when she gives you a blow job
"Hey Honey, did you hear about this great blow party?"
by M. Sanchez April 04, 2006