any gross or disgusting growth on a penis or snatch that is unknown. the penis being the shank the growth being the roid.
after i fucked that retarded hatian hooker i have a shankroid on my cock, my wifes gonna kill me!
by flayven March 19, 2010
The main vein in your pussy plunger (cock) that gets clogged up as like in a hemorioid, but on your medicated meat stick.
Man ol' Kenny fucked that nasty bitch now he has to go to the doctor cause he has them shankroids.
by Schubie January 27, 2006