Top definition
The extreme obsession with Sonic the Hedgehog, or any other sonic character. The person may talk about A LOT or may play the games and dis family and friends.

How to tell if someone has Sonicitus-- you would know (its evident)

Cure-- There is no cure (you should just join them)
A person who collects sonic games, makes sonic holidays, collects sonic comics, sonic is the only thing they talk about, and constantly writes sonic on papers and such and will actively admit he/she has Sonicitus.
by SuperSonic2010 March 04, 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