sex twins

Two women who are hired by a father and son to dress alike and provide sexual favors.

They walked into the bar with sex twins on their arms.

by Army of skanks July 22, 2014

Sex twins

Two people who have been having sex over a long period of time and are starting to dress and look alike. Is most noticable in same sex couples and people wearing sweaters.

How was Berlin?
Girl, it was amazing. I saw a couple on the U-Bahn and couldn't decide if they were sex twins or siblings.

by Memepaasmal March 8, 2019