The hardware store. One I came up with when I was about 10.
A root bear! (I came up with this joke a few minutes ago. I hope it's funny)
Pupil: The sausage!
A. Moses. Because he broke all 10 commandments at once.
They only work 10% of the time.
Because they're chivalrous!
From the knights Da-sa(y)-NI! This joke is best delivered verbally.
Steel armour