1 definition by ZzImPacTzZ
The act of masterbating into a cup, and pouring it on one's eyes while they are sleeping or unconscious causing the eyelashes to stick together like cement; may transmit sexual diseases.
"Dude, I just performed a sandman on Gretchen's face. She's not going to be able to open her eyes for a week!"
by ZzImPacTzZ September 12, 2008