RT's

Rock Tit's, When a girls nipples are so hard you can see them through her shirt. Often happens in the cold or if a girl has more pokey nipples and doesnt wear a bra. May even happen during erousal of a woman. Many guys get RT's too in cold.

John: "Oh man did you see Madi's RT's?"

Alex: "Yeah those are Bonerific!"

by SuperDART May 09, 2008