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Children of your new wife; complete drains on your patience and bank account. Good at practicing mind control, especially when they want something from you (money, car repairs, etc). AKA The bitches from hell.
Dave: Hey Mike, we still going to the Dbacks game?
Mike: Fuck no! The stepchildren have convinced their mom they need new clothes!
by thegivers November 10, 2009
notably referred to as the balls.
as my girlfriend was giving me a blowjob, i mentioned "mind the stepchildren."
by just some guy August 16, 2003
1. Something that does not receive appropriate care, respect, or attention

2. A child of one's spouse by a previous union
to treat like a stepchild
by see me September 09, 2006