1 definition by Prashant Mehta

Exclusive partner, more commonly known as an EP (pronounced E-P), is the stage in a relationship in which you have full exclusivity with another person, with the intention of pursuing a relationship in the near future. However, this other person is not your boyfriend/girlfriend yet.

Having an EP does not solely signify a physical relationship. It represents the early stages of flirting and past experiences of kissing.
James: "Hey Leslie, are you and Ryan going out?"
Leslie: "Not yet, we are just EP-ing right now."
by Prashant Mehta April 13, 2014
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