When you can see a man's or woman's hard nipple(s) protruding through his or her shirt. See also smuggling raisins.
Man, Chris and Mason were nerping hard when the air conditioning came on!
by FRizzo August 23, 2005
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variation of "nope" which is slang for "no".
1: you goin to the movies tonight dude?
2: nerp.
by jaaaasmin August 30, 2007
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When you have herpes on or around the nipple region.
Ew, I was about to go down on Sandy when I realized that she had Nerpes!
by The Red Ranger April 17, 2006
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Nerps - almost always used in the plural, when referring to a set of nipples.
She had chewy nerps.
by Judster October 10, 2004
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(adj.) A Nefarious Twerp, or a Nerp, is a loud-mouthed individual with an over-inflated opinion of him or herself, who forces uncomfortable small talk in lifts or tight spaces. Experts in saying absolutely nothing in a lot of words. Typically comes in the form of a recruitment consultant, estate agent or a sales executive.
"I ran into John again in the lift on Floor 2, the doors didn't close in time"

"What a Nerp!"
by obnoxiouswordssoundsmarter November 17, 2015
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what doesn't it mean?
Allie : *taking notes in world history*
Justin : NNNNNNNNNNNNEEEEEEEEEEEEEERRRRRRRRRPPPPP!!!!!
Allie: AHAHHA WHAT THE FUCK WAS THAT?
Justin: nerp
by IEatMuchoRice March 30, 2010
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the state of mind where there is no longer a state of mind
usually happens late at night while your drinking energy drinks that contain tons of caffeine...the best nerp drink is Mountain Dew...you can tell your nerping when you laugh uncontrollably for no apparent reason...best nerp hour is usually 3am but you can nerp at anytime...usually you begin to nerp when you're really tired....you cant force yourself to nerp, it comes naturally...Silly in a manic sort of way, as in the frame of mind induced by too little sleep and too much caffeine
by nerpingguineapigpigpig September 19, 2010
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