Here’s a couple that almost cross the line.
A man finds a lamp and rubs it. A genie pops out and says that he will grant the man two wishes, but he should know that whatever he gets from the wishes, his mother-in-law will get double. So the man thinks for a minute and then makes his two wishes: 1) I wish for $10 million 2) Beat me half to death
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A man decides to play a little practical joke on his MIL, who is coming to visit. He hides behind the door waiting for her to come into the house, and when she comes in he jumps out and yells, “BOO!”.
The MIL takes a step back and clutches her heart. “Oy, you scared me half to death.”
“BOO! BOO!”
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