Top definition
The use of a Wi-Fi network's SSID as a means of communicating a short message to the immediate reachable area surrounding its source, thereby vandalizing a physical zone with a digital graffiti message.
Let's see if I can get onto a free network here... woah, lots of graffiwi: "stop the war", "no blood for oil", "pidgeons rule"...
by GRAFFIWI December 23, 2010
Mug icon

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