A term that is used when you are having sex with a pregant women, and all of a sudden her fetus drops down and gives you a handjob.
Man i had a crazy night last night. I was fucking this pregnant bitch, and it was good as hell too until she performed a fetus drop on me. I nearly shat myself, i pulled my dick out of her fetus's hand and i was out.
by Rick Simmons February 18, 2005