A: The dog knows when to stop scratching.
Which hole they stick their finger in when no-one's looking.
Terrorists have sympathizers.
A retail store.
Staying up all night wondering if there really is a dog.
Neither! Everyone knows they prefer hot pockets
Santa knows to stop after three Ho's.
To stop getting confused as feminists
Stop laughing and reload
You scratch my beak and I'll scratch yours !"
Put a scratch and sniff at the bottom of a swimming pool.
A viola burns longer.
By the time you hear it, it's too late to do anything about it. A long list of viola jokes: