Here are some randomly selected joke topics beginning with the letter 'T'
Tact
Tact: The unsaid part of what you are thinking.
Tablecloths
DINER: How often do you change the
tablecloths in this establishment?
WAITER: I don't know, sir, I've only worked
here six months.
Tail
Knock knock
Who's there?
Lionel
Lionel who?
Lionel roar if you stand on it's tail.
Take a bath
What breed of dog loves to take a bath?
A shampoodle!
Tails
Why do elephants have short tails?
Because they can't remember long stories.