The crust/goupe that you get in the corner of your eyes after a long sleep or at the end of the day.
I woke up with a sleepy seed in my eye.
by Claire December 08, 2003
A result of the prolonged engagement in Eye-Sex
Oh man, that eye sex was so rough with Shaina, I had sleepy seeds for weeks!
by Skamakazi March 24, 2010