Top definition
When a man puts his schlong into a woman's belly button and shooting his masquerade of goodness directly into her stomach, forming a fetus. This is usually happens right after a falcon punch, in which the woman has lost their baby.
Girl 1: *Crying* I am 5 months pregnant and this man just falcon punched me!

Guy 1: Sweet. Fetus pump?
by Dylster69 September 29, 2009
Get the mug
Get a Fetus pump mug for your buddy Paul.