A person that listens in on someone's conversation and then adds their opinion without it being asked.
Person 1 to Person 2: "Frank is so hot right?"
Person 2 to Person 1: "I know, and so is Tom."
Meeper to all: "I think Tom is hotter than Frank."
by Jane Urah November 2, 2008
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A cross between a monkey and a sheep.
Hey! I saw a meep the other day.
You look like a meep!
by meep6 September 9, 2010
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noun; non-conforming female, individual, ass-kicker.
---also: verb: sound, as in a squeal, induced by cute things and yaoi.
Osa: Meep.
Meep: MEEP.
Osa: Meep, meep.
by Meepalicious June 1, 2004
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a very sexy, gorgeous, amazing lass, who has a good personality, and is in one word, perfect
i'm going out with meep
i wish i was going out with mep because shes so cool
by jimbo May 16, 2003
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Meep: noun, verb, adjective (various forms.) origin - University of Illinios during a party circa 1980. The the word and it's use was reportly started when someone was watching the Road Runner cartoon and right before he passed out, he said "meeeeeep" and ended his participation in the party whiel the rest of his friends went out. Usually pronouced with an extended long e sound.

noun - (meep)
1. a person that crashes early before party is over
2. someone that ends an enjoying time abruptly
3. a person that would prefer to do something boring while others have fun

verb - (meeped, meeping, to meep)
1. to make a mistake or choice that ends their own or others enjoyment.
2. alternate, modern - a poker term describing the act of making a bad decision that costs all your chips or ends a tournament for you. Not exclusive to poker. Can be used in any competetive context.

adjective - (meeply, meepish)
1. describing someone as a meep.
usage -
1. He is such a meep.
2. To meep, or not to meep; that is the question.
3. Twilly is not here because he is meeping. He has to go to work early in the morning.
4. Why doesn't Bob comes out more often with us? I don't know, he is just meeply I guess.
5. That party was a gas until John meeped and everyone left.
6. I was doing great in that poker tournament until I meeped and lost all my chips trying to buy a pot with ace high.
by J.R. or Junior June 11, 2006
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a sound made by the legendary creature, the mooha
meep!
by ami July 7, 2003
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The sound a human makes when vocally emulating a computer beep.

Often used in instant messaging and text messaging to alert another party that you wish to initiate a conversation, or continue a chat that had gone idle.
(Online Chat) hey, meep me if you're around.
by tarabyte May 18, 2007
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