When a girl's ass transforms into a large mass and volume within a very short period of time less than 12 months similar to the immediate U.S. land expanison of 1803.
Dan: Dude, I don't know how her ass got that big. It was small last year.

David: Yeah, it was, that's a total Lousiana Purchase.
by DHolman_est1993 April 10, 2011
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A mixture of Hawaiian Fruit Punch and some sort of cheap grain alcohol or cheap Vodka (such as Dubra) and mixed and stored in a plastic shelf from a dorm storage unit. Often found at large parties and similar to jungle juice. Popular at Purchase College.
Yo! I got a bottle a' Dubra and two bottles of punch, let's make some purchase punch and charge freshman five bucks for a party!
by FreshyMcWeshy January 16, 2011
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Bulk purchasing is the purchase of much larger quantities than the usual, for a unit price that is lower than the usual.
Nick: Dude i just bought a pound of weed
Zach: Damn dude thats a Bulk Purchase, we usually get 20 bags.
by TheMan38 December 18, 2013
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A girl is giving head to a guy, but a third party is moving her head up and down.
Did you hear that David gave John's mom a Louisiana Purchase?
by Tracy's Cherrie November 21, 2010
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1)A common phrase in the advertising world - which gives rise to interesting loopholes - which tends to mean that you need not make a purchase to be counted as a contestant in an event.

2)Also, generally is a lie and means if you don't purchase but wanter to enter a contest, they'll send you a form to make you "feel" like a contestant.
The Sprite "under the cap" game said "no purchase necessary" right on the bottle, so Justin and David opened up all the bottles in the store and kept only the winners.
by Justin 47 Nishi November 04, 2004
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Something you only buy into whilst wielding a raging stiffy. Examples include porno subscriptions, video games with hot girls on the cover, marriage, etc.
Usually I don't bother with paid porn but the genitals were hidden behind a paywall and I had to figure out if it was a man or a woman. That was a penis purchase I still regret.
by Prometheus McSpanky April 12, 2017
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To buy something on eBay when you are so drunk A) you would have never have bought it sober or B) you don't remember buying it when you sober up.
The mailman just delivered something. I hope it isn't another one of your drunkBay purchases.

Q Where the hell did you get that ugly shirt?
A It was a drunkBay purchase

by Zadok the Priest March 25, 2008
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