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When you're with a guy and he gets so excited he shoots his load before he's even begun. Also known as a Two Second Wonder.
Girl A: "Ooh, he's well fit, love to get him into bed"
Girl B: "Nah, there's no point, I heard from Sarah he has problems with Ejacturection".
Girl A: "Shame."
by clodmeow May 24, 2010
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