The phrase "swap partner" refers to someone with whom you exchange or trade something, like ideas, items, or roles, usually for a short period of time.
Sentences with «swap partner»
This is a different kind of relationship where you are thinking about build up long lasting relationship with whom that believe in swap partner with another. (adultfindout.com)
And by «swingers,» we don't mean 40s - era jazz enthusiasts but married couples that enjoy swapping partners for sexual encounters with other married couples. (chicagopersonalinjurylegalblog.com)