When the sheer number or length & prominence of veins running under the surface of someone's skin is a turn on and/or sexy. Including but not limited to: veins in the hands, forearms, biceps, torso, stomach, thighs, calves, feet, neck, back, and beneath eyes.
Look at this vein porn...that little V-shaped vein under his one eye OMG ...
Check out those veins in his hands and forearms...vein porn alert
Check out those veins in his hands and forearms...vein porn alert
by loralaimango November 17, 2016
Get the vein pornmug.