A glorious shit that makes you feel like you gave birth but you're a man so you don't claim to know anything about that.
Did you see Rick skipping down the hallway, he must have gave manbirth.
by Lohaman June 25, 2008
another word for ejaculation
The other day my mother was running up to my room and i was mid way through manbirthing.
by Wayne Wdge April 27, 2015