ilsonic 

Love of that awesome blue hedgehog Sonic.

ilsonic. ILsonic. I love Sonic. WOO.

ilsonic by mandy w October 9, 2007

insonicnia 

The complete inaibility to be able to play a Sonic The Hedgehog game, usually due to the lacking of fast motor skills and/or reaction time.

Boy: Jump off the spring when you roll off the loop!
Girl: I keep missing it!
Boy: You seem to be suffering from severe Insonicnia...

insonicnia by Kajin November 14, 2006

Icsonic 

An iconic noise or song.

"The call of the kookabara is truly icsonic"

Icsonic by James Whitaker (NZ) October 30, 2008