1 definition by Meer0000000

Top Definition
The act of having sex with an Area 51 alien after or during the September 20 raid, usually in a meme context.
Hey Michael, are you going to the Area 51 raid next week?
Yeah, I’m gonna be clapping them alien cheeks
by Meer0000000 August 02, 2019

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Buy a Clapping them alien cheeks mug!