A person (either a female or a gay man) that is very ugly. No one wants them for anything else but sex and people just dump their sperm into them and then kick their ugly ass to the curb.
Sitting at a stop light...an ugly bitch walks out in front of your car... "GET THE FUCK OUT OF MY WAY YOU FUCKING SPERM DUMPSTER!"
When you cum in a condom then its left on the bedside table, in the morning the girl is hungry and she see's the condom full of spunk so then decides to drink it like a frube!
When a woman has a baby conceived using anonymous donor sperm, the individual her parents blame for all the child's undesirable traits is the "sperm in law"
Our new grandson cries when we put him to bed. Our sperm in law probably did that.
Someone who tends to share their semen with multiple partners and spreading STDS and birthing ugly children, coming in two forms, chavspank lubber and southern rubbners.
Tyrone: he fucked my daughter! That fucking sperm spinner!
John: what type was he mah niggah?
Tyrone: one of them cracker chavspank lubber kinds!
John: let's kill thAt fool tam!