flanjangle

a sex position used by the elderly, usually seen between the ages of 67-88. It involves the female folding to a position quite like a scorpian (on stomach legs over shoulder.) and the male inserting his penis into the vagina laying on her a spinning in circles.

guy 1: yo dude, you ok ?
guy 2: no bro, caught my grandparents doing the flanjangle
guy 1: damn, guess your grandpa's got hips