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."
by The Baron Von Snowboard April 14, 2006
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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?"
by wombmate number 1 April 11, 2015
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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.
by rockingyourdime June 9, 2009
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Two guys that have had sex with the same girl.
Sheila slept with me last year and Kyle last week making us wombmates.
by damixer November 15, 2008
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