Biting into an apple and finding half a worm!
Because an itch in time saves nine.
His balk was worse than his bite!
Because they're wrigleys !
It was on a strict diet of worms. edit: changed pronoun to avoid ambiguity
A bookworm !
It doesn't have windows.
He wanted to lay it on the line !
My erection.
Finding half a worm in it. And what's worse than that The holocaust
Finding a vein in a hot dog.