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11.
NA
Naturally Aspirated. Used in many gran turismo games. A way of making your car faster and overall better performing than stock, without super or turbo chargers. To do this "tune-up", many things can work, lighter parts for the engine and a lighter block. Also increasing compression (ratio of volume in cylinders when at the down stroke compared to the volume at the top of the stroke. Cam shafts with larger domes to hold the valves open longer. High output injetion or carb and also thinner head gaskets and much more. A more costly way of improving performance, but with great return. For ways of increasing power and making your car a weed eater all in one, see NOS .
chevyman- dude, i had no idea a few little things could make my car the shit.
riceboy-yeah, whatever, my car has NOS and it will take your camaro anyday.
chevyman-what is your 1/4 mile?
riceboy-18.67 @ 80 m/ph.
chevyman-you need to shave about 6 seconds to beat me.
by Don June 21, 2005
61 53
 
1.
Na
Sodium, on the periodic table of elements.
NaCl is sodium choride, the tasty, grain-like substance you put on french fries, otherwise known as table salt.
by Host3ntropy June 19, 2005
168 81
 
2.
NA
Narcotics Anonymous- A 12 step program for recovering drug addicts wishing to seek help and support from their peers while getting clean
in the literature it states that nothing cane outdo the theraputic value of one addict helping another addict
"Hey man i cant quite doin drugs the doctor says just to stop"
"Dude its not that easy you need to go to NA"
by D diddy March 11, 2006
140 58
 
3.
Natural Annoying Sampal
It means that a person is natural annoying and he's a sampal too, which is slang for stupid. Well, Kinda. :P
Girl: That N.A.S talked to me again. Ew!
Boy: Hahaha, He likes you. :P
Girl: Ew, No!

Boy: xD
by B.B ~ <3 May 28, 2010
84 17
 
4.
Natural Annoying Sampal
It means that a person is naturally annoying and he's a sampal too, which is slang for stupid. Well, Kinda. :P
Girl: That N.A.S talked to me again. Ew!
Boy: Hahaha, He likes you. :P
Girl: Ew, No!

Boy: xD
by B.B ~ <3 May 28, 2010
77 11
 
5.
na
to say no in a mean way
naaa
by geoff March 09, 2003
139 83
 
6.
NA
Narcotics anonymous. Complete with group meetings.
Matt:I'm Matt and I'm addicted to narcotics.
Group: Hello Matt.
by herbert April 15, 2005
90 58
 
7.
NA!
Greek sign language: Tossing 5 fingers with a twist and flick of the wrist.
a non verbal and offensive way of saying go fuck yourself
NA! re malaka aie ha sou apo tho!
by Da Chris November 20, 2004
34 14