Top definition
The opposite of hibernating. The person usually becomes annoyingly hyper and doesn't stop talking.
Friend 1: Sam's been hypernating all day
Friend 2: Yea I know, it's like he's high
by StJimmy462 December 05, 2009
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