A mob in Minecraft that explodes after about 2 seconds of the player going anywhere within about 3 blocks of it, looks like a piece of snot with four legs.
Girlfriend: Hey, you wanna go out to eat?
Boyfriend: H*LL YEAH! I JUST KILLED A CREEPER!
Girlfriend: walks away, later dumps him
by UndertaleAddict December 17, 2018
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A strain of marijuana that circulated for some time during the mid 1980's. Generally thought to have been hydroponically grown, it was so-called because of its tendency to not produce large headrushes during the act of smoking, the high instead "creeping" up on you 10-15 minutes later. Sometimes referred to as "creeperweed."
I just bought a nickel bag of creeper, dude!
by Craig 119281 November 3, 2005
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A green hostile mob that has the ability of charging toward it's opponent and blowing up in your face or could instantly kill you depending on level of the minecraft game.
Creeper: SSSS---Boom!

Person 1: What the fuck was that?!

Dead Person 2: Creeper got me and I was so close to the treasure!!!
by Grimoar May 2, 2011
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A green four-legged creature who's insides are wired explosives. It stalks you, making no sound of its movement except the crunch of grass behind you until you turn to face the green monstrosity of which flashes white and ssSS's UNTIL- Boom. Then you lose your diamond pickaxe and respawn far from your location and slaughter millions of them in rage only to realize that.... It just wanted a hug.
Jimmy:HOLY ****! 3 DIAMOND ORE! -is beside lava-background creeper: sssssSSSSSSS.....
Jimmy:FFFUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU-
-explosion-
Jimmy: watches the spinning mini-block diamonds as they are engulfed by the lava in a fiery inferno, respawns and jumps off 4 story roof-
by trickyboy21 August 3, 2011
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Old people that show up at younger peoples parties. For example, a 35 year old guy that comes to highschool kid's parties and stands around and drinks but doesn't socialize.
"Jesus that creeper is freaking me out, lets leave"
by beatyou February 26, 2005
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1.Anyone who defies social and/or etiquette norms by acting in a particularly odd manner. This can be achieved by staring at someone for long extended periods of time, bringing up topics that aren't socially acceptable in conversation, or just being plainly and unabashadly creepy to those around him/her.
Damn- look at that kid staring at us- isn't he such a creeper?

I would never be friends with someone as weird as she is. She is a total creeper!
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A green quadruped from the game Minecraft that is oddly shaped like male genitalia. These aggressive mobs, before exploding their victims into oblivion, hiss. The hiss is the only warning the player has of the creeper's presence, as creepers don't make sounds when they walk. The player then has approximately 1.5 seconds to vacate the range of the creeper before it has a chance to explode. When killed creepers drop sulfur (aka gunpowder).
Player 1: Hey look I found some gold!

Player 2: Watch out! There's a creeper!

Creeper: That's some nice gold you have there... ssssssssss
by Mr. Boab March 28, 2011
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