Top Definition
Making one puke on your cock by the act of fucking them in the mouth very hard until they do so.
I gagfucked your grandmother and when i pulled out my cock was green.
by mandudeguy January 18, 2005
5 Words related to gagfuck
when a guy shits in your mouth and puts his dick in your mouth. After you start to gag on the shit and his jizz. This here looks a lot like chocolate and vanilla icing.
This weekend me and my boyfriend got bored so we gag fucked :)
by dawwg holmes January 17, 2009

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