Because he doesn't have a thumb to ring the bell.
An elephant !
Very big worm holes in your garden !
A church bell peals from the steeple.
A dumbbell.
They'd rather give each other a ring.
Ring him while he's ironing...
A-tyre
Psycho-paths. (as told by one of my coworkers)
It could get you an in descent exposure charge.
A Holly Davidson!
A: I'm in glove with you.
At the SPACE BAR! reddit is fun! I'm staring at the keyboard tryin' to think up a joke and voila'!