A drain baby is the sperm going down the drain after a man masturbates in the shower.
Jared made a drain baby while jerkin his gherkin in the shower.
by bukkake the porno clown November 02, 2007
Semen ejaculated while in the shower.
I was in the shower and shot a load of drain babies that would've made Jenna Jameson gag.
by Mr. Violence May 31, 2004