hemifraternal twins
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!"
"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!"