Ever hit your brother in the balls, girls or ladies?

Just wondering how many of you out there with brothers do or used to hit them in the balls and would you do it only when mad at them or for the fun of it too?

The reason I wonder is that I was on the bus and heard two girls (15-16 yo) talking about it. One said she hit her little brother quite often and for fun, the other one seemed surprised by it, so I was wondering if its common.
Ever hit your brother in the balls, girls or ladies?
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