Top definition
the werewolf like sprouting of a unibrow, usually in time with the lunar cycle.
going out tonight?
no my lunabrow is going wild I've gotta get it under control
by purethrive December 05, 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