1 definition by ManTown

Children conceived by superfetation with multiple fathers.
"Wait, you and your twin have different dads?"

"Yeah, we're hemifraternal twins..."

"But you're white and he's black..."

"So, my dad knocked up my mom and then 3 weeks later she banged my bro's dad...she got pregnant twice!"
by ManTown February 17, 2012
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