What you tell your parents or guardians you were doing in your room with your significant other, rather than telling them you were having sex in their house.
Parent: Hey kids, what are you doing up there in the dark?

Kids: Just playing xbox mom.

Parent: Who's winning?

Kids: It's a dead heat
by biggiesmalls.29 July 14, 2010
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To finger a girl while using your thumb to play with her clit, using only one hand.
"Yeah, she thought I was really good at Playing Xbox and said she'd like to play with me again."
by FluffyKittenHater December 13, 2016
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