When a male inserts his penis through one of his partner's eye socket and begins to stroke as if he was having regular sexual intercourse.
Matty Roberto- I performed optical penetration on an honors student and my seman got caught in her brain so bad she forgot how to do fractions
by Benyahoe Dover May 17, 2009
1 more definition
When a girl has a fake eye, you remove said eye and insert penis into socket.
I performed optical penetration on Mike's girlfriend last night.
by Crazyassgangster July 24, 2008