So he wouldn't talk in his sleep
Because he never sleeps in much!
When the big hand touches the little hand.
They're still talking about what happened in 1982.
Because they're all dead.
Nocturtle
They both sleep all night and whack all day!
A retarded gorilla. (Can be modified to offend any nationality or group)
Mute
Because "B" shells would be too small!
If she's only wearing one sock. (This joke brought to you courtesy the homeless guy outside my local 7-11.) Edit: tweaked the punchline.
So they can drive with the handcuffs on.
So they can be driven while handcuffed.