Naturally aspirated, reffering to cars that draw air directly into the cylinders rather than using compressed air from a turbocharger.
by thaabomb May 13, 2005
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u should know that ill means tight and for na na think of the last two letters of vagina.
by Fuckyallhaters August 10, 2003
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What your friends do when you're drunk. Sexually.
Did you hear about the Na-Na Deeps they did last night?

No, I had way too much to drink last night.
by Sarah GJ March 23, 2007
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narcotics anonamous, a place where you can go to meet other people who dont really want to get clean or sober, they go there to score drugs and sexually victimise new commers that thought it was a good place to go because they didnt know any better
hey dude, lets go to an NA meeting and see if there are any new young girls with low self esteem that we can pretend we want to help, we will tell her we will talk about her problems over a cup of coffee, once we have her in the car we can just drive around in my car and take turns fucking her in the back seat (friend says) "wow dude thats a great idea, maybe we can get some crack at the meeting too and get her to relapse with us"
by bartow joe February 26, 2005
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a phrase made famous by musical artist dappy from N-Dubz, na na nai translates into english as - "Im a cock with a stupid hat".
"wheres my hat? i wanna be "na na nai" today when i go out.
by ChavBusters February 13, 2010
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Means the same as "Oh la la", or "omg", but it can only be used before saying something that rhymes with "name".
- Oh na na, what's my name?

- Oh na na, nice window frame!

- Oh na na, I've gone insane.

- Oh na na, my foot's in pain!

- Oh na na, a trip to Spain.

- Oh na na, You lost the game.
by diarreah socks February 19, 2011
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Na Na Na Boo Boo is an alternate version of Na Na Na Na... It’s another verbal version of “In Your Face”.... Most commonly uttered by preschoolers up to and including the third grade. Spoken in a Sing-Songy tone..
When Oliver got spanked for jumping on the bed, Jaden taunted him singing “Na Na Na Boo Boo... You got a span-king!”...
by misanthrope 95 February 5, 2018
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