To enhance one's self or another's outward appearance in order to appear more attractive to the desired sex.
Once you finish leveling up you are going to get all the girls. Just watch.
by NoahAtlanta August 07, 2017
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Getting even with your friends in terms of the blood alcohol level.

After some hours of working overtime, you get to your friends on a party. They already had several drinks and thanks to their blood alcohol level, they're having a lot of fun, while you're still sober and therefore not in the same mood as them. To change that, you've got to level your own blood alcohol concentration up.
If people eventually stare at you because you drink a lot in a very short amount of time, you are allowed to excuse this by saying: "It's alright. I'm just leveling up right now."
by Boki Cristi October 12, 2014
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To make a move in your life or career for the better.
I feel stale at this job, its time to level up.

I heard you got that record deal last week. Way to level up bro.
by Buffaunte February 07, 2006
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When a player of a videogame has earned enough experience points to acquire a new level in a skill or skills. Often is accompanied by the ability to weild new weaponry, access new places, or begin new assignments.
A: Only 3K xp until I level up.
B: Nice!
by Hyenaste May 28, 2005
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To practice something regularly and get better and better at it
Person 1: "how are the guitar lessons coming along?"

Person 2: "yeah i'm levelling up, i can play guns n roses welcome to the jungle now!"
by megatr0n187 May 14, 2011
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When one has ingested several types of psychoactive substances at once, including alcohol, weed, molly, mushies, roofies, etc.
Bro1: Bro, you are in such a good mood tonight. Sure you don't wanna put the glow-sticks down?
Bro2: Nah bro, I'm leveled up!
by Magic Carpetbagger February 19, 2016
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