Cutie Mark Play is a sexual term created by the My Little Pony: Friendship Is Magic fandom, this term originated from the season 5 premier staring Starlight Glimmer involving taking a pony's cutie mark.
It's while in sexual intercourse, you take the pony's cutie mark while you plow them, stripping them of anything special about them making them useless and powerless, its a form of domination and degradation, where they are useless and put under your control during sexual intercourse.

This kink already has a small group of supporters, usually those who are also into extreme BDSM, degradation, humiliation, and dominance.
My wife is a kinky fuck, she's in to this thing called "cutie mark play" it's some kind of weird dominance thing.
by proud_BG_brony September 12, 2015
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