Top Definition
When someone keeps hitting the random button on UD at looks at random definitions.
Derp - "Hey T-Derp, what are you up to?"

T-Derp - "Nothing, just doing some Urban Surfin'."
by ElectrofieMC November 25, 2012

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