A sexual experience involving several male participants and one or two female participants, in which the female recieves a huge amount of jizz to the face.
God Derek! That was an amazing jizzfest, did you see how much jizz she had on her tits and face and arse and head. Jesus there was loads of jizz. Jizz everywhere, even in her hair. What a jizzfest
Your right Cuthbert, shitloads of jizz.