The act of a woman imprinting her sweaty butt cheeks, thighs and vagina on a surface that shows the sweat marks which form the shape of an "angel". This often occurs after a strenuous workout or athletic activity. Common among Roller Girls.
Girl A skated for 2 hours straight. She was covered from head to toe in sweat. She sat on the floor and mad a Vagina Angel.
Hey! How about we all sit on the floor and make vagina angels? Then we can take pictures of them.