fapoholic
Someone addicted to fapping, like an alcoholic is addicted to alcohol. Usually a lonely idiot who drives away his girl/boyfriend by favouring fapping over them.
Dude 1: Where's Jeff?
Dude 2: He hasn't left his room in days. What's happened?
Dude 3: Jeff? He's a fapoholic.
Dudes 1+2: Oh right. Twat.
Dude 2: He hasn't left his room in days. What's happened?
Dude 3: Jeff? He's a fapoholic.
Dudes 1+2: Oh right. Twat.