n. something that raises its subject to a higher level of potency, an artificial adaptation.

v. to make something more powerful or significant
L3K gets a new upgrade every day; she acquired teleportation a couple weeks ago for instance.
by The Ugly One November 20, 2003
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To make a better choice for a relationship partner.
Joe: Have you seen my new girlfriend?
Bob: Yes, she's a nice upgrade.

John: You are so nice! My last girlfriend was always going crazy white girl on me.
Sue: Nice upgrade.

Sharon: I love that you actually have a job, unlike my last boyfriend.
Fred: Nice upgrade.
by Harmony08 September 15, 2010
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the better version up sess, usally it is more passionate and more orgamic
Girl: I'm horny.

Guy: Want to upgrade?

Girl: yeaa.
by goleafs March 24, 2010
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n. The process of walking up to a toilet intending to urinate and, before or after urinating, changing one's mind to instead sit down and defecate.

v. To perform an upgrade.
While I was pissing I let out the biggest, nastiest fart. It stank so bad, I knew I had to upgrade.
by Lobsters Attack February 17, 2011
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1. Seedless marijuana that is better than middies, yet is not nugs.

2. Homegrown nuggets.
I never smoke schwag, only upgrade or nugs.
by Andy Holman October 12, 2005
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A terminal condition, the main symptom of which presents as the insatiable desire to upgrade.
A word originally coined by Isaac Sibson, and now increasingly prevalent in internet based discussions.
'Isaac, I have a great new cam, but now I want loads of accessories too.'
'Yes Brad, you have upgraditis.'
by Brad April 6, 2004
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An Upgrader is a person, member of the same frequent flyer program, with more miles than your self.
He or She is upgraded, You are Not

The chance to be victimized by upgraders is huge.
Were you upgraded last friday?

Nope, to many upgraders on that flight.

Ghetto upgrade
by boereniis March 4, 2010
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