Two mothers-in-law.
Jason: Two things: I got 50 in Spelling and 50 in History. Mother: Well at least you can add!
His mother told him to hit the hay.
All she could sing was, "Law, law, law, law, law, law, law."
They're both fun to watch tumble down stairs.
Two wives.
The joke is it's own pun-ishment.
For fowl play.