An eruption of loud and uncontrollable laughter either well before the punchline of a joke or in a situation/conversation where it is extremely inappropriate to do so.
The substance produced by one's ocular cavity after watching a particularly emotional commercial regarding a long distance phone call to an elderly relative or former high schoolvolleyball coach.
Toby, wipe that eye ejaculant off of your cheek, Dianne doesn't know what she's missing out on. Son, this too shall pass. Now finish your homework.