Definitions by Valterain
Erectile Inversion
In the act of a blowjob. The giving partner suddenly bites the shaft and yanks down, ripping off the skin of the penis and essentially turning it inside out.
Erectile Inversion by Valterain June 22, 2015
Trading Skin
When two men who are engaging in sexual activities create enough friction by rubbing their penises together to the point of which they have rubbed off skin on each other.
Trading Skin by Valterain April 28, 2015