A small twitch of the penis caused by sexual thoughts or stimuli.
"Okay, sir, could you pull down your pants so I could have a look at the problem. Just relax, sir, nothing to be embarassed about."
"Certainly."
"Ah okay, it seems to be a standard skin condition on the top of the penis, nothing to worry about. My 20-year-old daughter had the same thing on her breasts. She..."
"..."
"Oh dear, I'm sorry about that twitch it just did."
"In the profession we call that a nano-boner!"
by Autonova May 6, 2010
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its when u bully someone named Karen who is as small as a nano thing. Casper said this before Julie
waw Karen you look like a nano Karen
by Zhockt February 25, 2019
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1: A person (male or female), who is extremely short and has narcissistic tendencies similar to that of a chihuahua. They usually come in the form of annoying , stupid siblings. 2: An insult used towards people who are short and thick as fuck boi
Get down from the table you stupid fucking Nano Midget!
by Master Of The Soul Stone November 1, 2018
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Finally. We've all waited for it.
by cynical1 October 9, 2005
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A cheap ass tatic used in madden to sack the QB. Usually it's used by noobs or people who aren't too talented playing normal.
The only way Chris can win is to nano-blitz all game.
by Mitchellfrog April 2, 2007
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A piece of shit that breaks from a 5 inch fall.
I was taking a dump and dropped my iPad Nano in the toilet.
by Carandil April 18, 2010
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