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The act of ejaculating on someone as they flail trying to escape.
She tried to get away, but i jizznastics her.
by RBEjbCCt May 17, 2015
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Ejaculating volume of Olympic-like proportions.
I did jizznastics with my dong all over the tig’ol’bitties!!!
by Ej1984 March 03, 2019
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