Top Definition
Taking a good hit out of a bowl when there is only resin in it.
"Dude I was totally neffing that bowl."

"Hey man, could I neff that bowl?"

by tippy August 15, 2007

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Being VERY annoying by posting useless or stupid coments to a forum.
reminding everyone how great your computer is every day.
by CorvetteZ0606 June 07, 2003

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
The act of making plans with someone then not fulfilling the plans you made.
Person 1:Dude are we gonna skate on Friday?
Person 2: Yeah man I'm down anytime!!

-_-_ Friday_-_-
Person 1: Hey man what time are you coming?
Person 2: Dude I can't go
Person 1: ARE YOU SERIOUSLY NEFFING ME RIGHT NOW?? FFFFFFFFFUUUUUUUUUUUUUUU...
by Skate-o-Rama January 19, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
Neffing is posting on a forum about basically nothing in order to drive up post totals.
An example is replying with only a smiley or one word such as "lol": this causes a lot of useless post. Rules often include - no neffing or you'll have your post count or rank significantly reduced!
by Thresher May 26, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt