What is Cum Magnet?
1.
A magnet for cum.
Wether or not a scientific device actually exists which can attract semenal fluids to itself, a cum magnet can simply be a slut or a prostitute.
1. "Wow...that hoe is a cum magnet."
2. Shortly after designing the worlds most powerful cum magnet, the scientists behind this marvel quite suddenly had all of their semen torn from their bodies.
See