A man who, through genetics or a combination of other factors, including, but not limited to, blue balls or edging, unleashes a copious amount of semen when ejaculating.
Racquel: “So, how’s the sexy time with your new man.”
Elena: “Girl, he can fuck all night and is an overcummer, always pulling out and unloading on me like some relative of Peter North or as if he hasn’t nutted in months..