A sexual relationship with no strings attached. More than a one night stand as it may occur on a regular basis, but less than friends with benefits as there are no dinner dates or deep conversations involved.
The fucktationship allowed both Susan and Sport Model the freedom to enjoy great sex with no intention of taking it further.
It’s a really really really toxic relationship where one or both parties are getting really fucked mentally or emotionally or all at once to the point they might lose their self-identity
Guy 1 *Standing in front of a mirror*: do I even exist?
Guy 2: Have you been in a fuckuationship lately?