An suffix added to any base noun or verb which creates a new noun defined as an individual who is to some degree a user or perpetrator of the item or action.
There's is an achievement on Black Ops called 'Nintendoholic' (Not true).
By Domeniga
Skate-aholic
Somone who can't get enough skateboarding in their life, and would basically lay down their life if were told they weren't allowed to skate ever again.
Yo dude, Jim is such a skate-aholic. Hes been into it so hardcore that for the past 2 weeks he accidently forgot to eat or sleep.