Sheep can hear a zipper from a mile away
Because a sheep can hear a zipper go down a mile away.
Because pterodactyls are extinct.
A Lorry with Nice breaks doesn't stop until after a mile.
SMILES because there is a mile between the first and last letters!
Because sheep would be too obvious.
A sheopard.
a bell.
Mick Jagger says "Hey (hey) you (you) get off of my cloud..." the Scottish farmer says "Hey McCloud get off of my ewe"
My zipper
A: You lift their kilts, and whichever one has a Quarter Pounder is a McDonald!!