Top Definition
when a girl is giving you a blowjob and halfway through, she takes her two hands secretly and claps her two hands together extremely fast and hard with the balls squeezed in the hands. it is exremely painful and the guy wont be able to stand up straight for 4 hours.
Dude, i went home with Jane and while she gave me head, she Marshmallow Clapped the fuck outta my balls!!!
by larryginger123 March 27, 2009
7 Words related to marshmallow clap

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