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4.
to drink without opening the lid of the can fully. which leaves a little gap.
Jaz: thats so kool manz.
GEZ: YOU SHOULD TRY IT, EVERYONE LOVES TO NOIF.
by Ganod April 26, 2005
 
1.
Someone in a constant bad mood.
O, you alright Noif
by MichaelKalugin9 March 22, 2010
 
2.
"Nerf" as pronounced in Brooklyn, NY
He hit me with a noif ball!
by stobbchi July 18, 2011
 
3.
to drink coke or any soda, without opening it's cap fully.

It stands for:
Not Opening It Fully

Many people who noif, tend to have long lasting drinks. And they are also considered "kool" by their peers.

Origin of it is not clearly known, however some noifers have said that it originated in inner-melbourne suburbs.
Dude 1: Whats that style of drinking called?

Dude 2: itz called noifing manz, only kool people do it.
by Jman23 April 26, 2005
 
5.
you a loser open your drink!!
dont noif it so fuckin gay
by David_is_Fat April 28, 2005