(adj) a descriptive term indicating smallness of size
Large dogs were once popular, but now it is fashionable to carry a nano-dog around in your purse.
by dp March 15, 2005

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Top Definition
An exclamation used in response to an absurdly nerdy comment or action.

Taken from the latin "nanostus" to the middle-english "nanost".
Iain: "HEY Eric, i'm gonna wardrive to the LAN, it's gonna be stuponfucious"

Eric: NANO nano, beep beep, dual-monitors!
by Stampy October 16, 2004

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Ecuadorian word for brother, friend. Used by ecuadorians

Wutz up ñaño?

Wut happened ñaño
by snake14 February 01, 2008

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A sex toy a female uses to cum or squirt with, for masterbation.
My girfriend used her nano last night while i was at work and send me a video of her using it.
by Biggerballer June 17, 2016

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A sex toy a girl uses to squirt or cum with, used for masterbation.
My girlfriend used her nano while i was at work last night, then send me a video of it.
by Biggerballer June 17, 2016

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Filipino slang words of "short". Doesn't define either short, shorter or shortest. And is abused by Filipinos.
Nano lagi na ang imong amigo? (Why your friend's too short?)
by qwerty000999 August 13, 2010

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A Language used when friends are together to indicate if it's alright to make a move on a girl.
Boy 1: Yesyos Nanos

Boy2: (Puts arm around girl)
by johnnysoaresrex August 06, 2009

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