a sexual term where you pee and shit in an urbandictionary cup and then make your partner shake it like taylor swift did, and then when it forms a liquidy form you pour it onto a condom and freeze it for 69 hours. after that you put it up your vajayjay or asshole.
oh my GOD. i love doing the cupfuck with my husband! it makes us pleased.
by cupfucker February 22, 2023
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