Keress bármilyen szót, mint például: hipster
 
1.
Someone in a constant bad mood.
O, you alright Noif
Beküldő: MichaelKalugin9 2010. március 22.
 
2.
"Nerf" as pronounced in Brooklyn, NY
He hit me with a noif ball!
Beküldő: stobbchi 2011. július 18.
 
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.
Beküldő: Jman23 2005. április 26.
 
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.
Beküldő: Ganod 2005. április 26.
 
5.
you a loser open your drink!!
dont noif it so fuckin gay
Beküldő: David_is_Fat 2005. április 28.