One-night stands or occasional liaisons perpetrated after hours at out-of-town trade shows and conferences, usually between conference exhibitors and attendees staying at event hotels. Participants generally expect toll see the other person rarely - if at all - after such adventures.
"Did you see Steve? He's had like four apple martinis and now he's hitting onthat girl from the next booth!"
2. When someone brags about being in a relationship with an attractive and successful person, but, in reality, their whole relationship is built on sex because the other person is married with a family.
Mary loved to brag about her relationship with a wealthy doctor, but everyone knew it was nothing more than an ass tryst.