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A sexual move, before climax, slap your partner's face, then ejaculate all over them. Not to be confused with Cyclops' mega optic blast, the X-Man Cyclop's special move in Marvel VS Capcom
Tina: I broke up with Jim yesterday
Heidi: What? Why?
Tine: He smacked me in the face with his dick mid -intercourse!
Heidi: Oh shit! He did a Cyclops Mega Blast? That's so hot!
by Farqunglu June 04, 2016
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