Here are some randomly selected joke topics beginning with the letter 'F'
French
Did you hear about the three French swordsmen who liked to put mustard in their ears?
They were known as the three mustardears.
Frankenstein
How did Frankenstein eat his food?
He bolted it down.
French
Twelve year old in French class being asked the difference between Madame and Mademoiselle: `Monsieur'.
Fractions
Which famous English King invented fractions?
Henry the 1/8th.
Free
What is a "free" gift? Aren't all gifts free?
French
Why do French people eat snails?
Because they don't like fast food.
French
Knock, knock.
Who's there?
Francis.
Francis who?
Francis where French people live.
Free
Why, if the best things in life are free, the next-best things are so expensive?