Top Definition
A person who (usually secretly) makes use of an unsecured wireless internet signal belonging to another entity. Also, one who hacks into or otherwise compromises a wireless network to in order to access free wireless internet. Contraction of "wireless pirate" and a play on the term "wi-fi."
"Any student living around campus can easily become a wi-pi, since the college neglected to password protect or encrypt their wireless network."
by MathewWebster September 25, 2007

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