Wombmate
A term that is be used to refer to one's twin.
Holden:"So, is Ashley your girlfriend?"
Mary-Kate:"No, she is my wombmate."
Mary-Kate:"No, she is my wombmate."
Wombmate
A pair of friends who were born on the same day and are so similar they could be twins.
"Mom, Can I invite my wombmate over for dinner?"
wombmates
A pair of twins that subsequently go on to live as roommates.
We figured since we managed to get along so well in such a small space for 9 months, it would be easy to become wombmates again.
wombmates
Two guys that have had sex with the same girl.
Sheila slept with me last year and Kyle last week making us wombmates.