F", for Fonzi. Duh.
You take the "S" out of sub, and the "F" out of way. Say it out loud
Take the "F" out of "free" and the "F" out "way".... (there's no effin' way)
Arrrrr?" Nope... you'd think so, but it'd be the "C."
Because they often spend years at C EDIT: made it more punny
A pan. Duh!
Boo, DUH!!!