Pun-ishment

Why was the math book sad? Because it had too many problems.

I'm reading a book on antigravity. It's impossible to put down.

Why don't lobsters share? Because they're shellfish.

Why don't eggs tell time? Because they don't have hands or a clock.

What do you call a fake mouse? A do-nothing mouse.

More Puns

Why did the bicycle fall over? Because it was two-tired.

Silly Puns

What do you call a can opener that doesn't work? A can't opener.

Even Sillier Puns