Top Definition
Noun - A post the sneaks in before another on a message board. Replying to the same post, and often contain the same message.
Chris: Is DDR3 and DDR2 compatible with each other? - 18 minutes ago.
Tom: No. - 3 minutes ago.
Bob: Nope. - 3 minutes ago.
L33Tjack: haha Bob is pwnd by a Ninja post! xD - 0 minutes ago
by theSMEXY April 10, 2010

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.

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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 writing a phrase, most commonly "Ninja Post," on a Facebook wall post and deleting it after someone has commented on it.
Dude, I'm putting a ninja post on everyone's status.
by badjuju October 26, 2010

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