by octopus69911 January 26, 2006

When you are being cock-blocked so hard by a girls friend that she doesn't leave her side the whole entire night.
Guy: Yo, did you get with Emily last night?
Me: No man, she was siamese-twinning with Lily the whole time.
Guy: Yo, did you get with Emily last night?
Me: No man, she was siamese-twinning with Lily the whole time.
by berger321 November 17, 2014

by MilanoBoi November 20, 2019

Twin day is the day you celebrate your real twin or your twin as a title it can be celebrated on Fridays.
by FadedVampire1 October 24, 2019

"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!"
by ManTown April 14, 2012

by Randomroy April 15, 2021
