The inflammation, irritation, and/or the swelling of the vagina, usually as a direct result of vigorous coitus, otherwise known as "taking a pounding".
"Did you hear about Mary's new african american boyfriend Tron?"
"No, but i don't think the community would approve............."
"Yes i know... I've been talking to her and apparently she's been suffering through some substantial cuntcussions recently. The doctor told her to stay away from physical activity for two weeks"
literal or figurative blows to the head of a man, from a woman who wields a vagina as a weapon, that have the effect of knocking a man senseless
Poor Ted was never quite the same after Devin gave him that horrible cuntcussion in 2006.