One who is both a slacker and a fucker.
One who does absolutely nothing all
day, yet still manages to fuck that up.
Cool Guy: Hey man, did you go get that case of
beer for the party while i was at class today?
SlackFuck: Nawwww, i got super
fucking high today though....sweet huh? Oh yeah i made you a muffaletta though...
Cool Guy:
Dude, you're a total slackfuck, now i'm gonna have to teabag you! I hate olive salad!