Grandfather: Son, you've got your shoes on the wrong feet.
Grandson: But these are the only feet I have?
Grandfather: Fair enough.
What helps keep your teeth together?
What else, Toothpaste!
"Waiter, there's a fly in my soup!"
"Don't worry, sir, the spider in your salad will get it."
Knock, Knock! {It's very hard & loud}
Who is it?
Op!
Who the heck is Op? Sorry, but I don't know of anyone by that name now go away!
Hey! It's Opportunity, and I only knock but once you fool!