29
A green exploding penis shape monster from the video game minecraft.
Steve: Hell yeah I found my self some Diamond!

Creeper: Thats very Ni-ssssSSSSSsss

Steve: FFFFUUUUUUUU-

*EXPLOSION*
by K66guns0 July 17, 2011
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30
A green penis like creature in the video game Minecraft that gains pleasure out of destroying hours worth of building by self destructing. Before it explodes it let's out a "sssssSSS" noise that resembles a fuse being lit.

In other words if you hear "ssssSSS" Run like fuck.
Creeper: "That'sss a nice houssssse you got there. It would be a sssssshame if something happened to it. ssssssssssSSSSSS

*BOOOOM!!!*
by Smuglorda July 03, 2011
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31
Generally, someone who is a semi-nice person but is completely and totally socially awkward who tend to try to say something nice or complementary that comes off sounding perverted.
Say there's a dress code at some school:

Larry: Hey, Marge. The buttons on your shirt are unbuttoned too low.

Marge: Oh..kay. Thanks, Larry. **Creeper**
by Odd.Little.Devil July 15, 2009
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32
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 03, 2005
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33
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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34
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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35
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 01, 2011
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