When your mind and body becomes so overwhelmed with such ecstatic joy while delivering the father of the groom speech that you yell out at the end "I'm having a mental ejaculation of joy" and then drop the mic.
After some confusing talk, Jesus got frustrated with the human language and shot out through the roof like a celestial ejaculate, right onto the bosom of heaven.
Richard: "So, what happened to the Becky girl you saw last night"
Chad: "Well, she was a 6/10, I've seen better, so I had to Ejaculate and Evacuate. I think I may have even left my pack of gum there"