When you have cum in your vag and you clench your legs to hold it in, while waddling to the bathroom.
Guy *cums in girl's vag*
Girl *cum waddles to bathroom*
Guy: "Why are you walking funny?"
Girl: "I'm doing the cum waddle cause I don't wanna leak cum on the floor!"
Girl *cum waddles to bathroom*
Guy: "Why are you walking funny?"
Girl: "I'm doing the cum waddle cause I don't wanna leak cum on the floor!"
by GeoNips October 4, 2014
by Eggsack March 23, 2020