noun, plural -ties.
1. an appropriate or favorable time or occasion: The swingers party afforded a swapportunity to exchange spouses.
2. a situation or condition favorable for attaining the specific goal of trading ones spouses for sexual activity.
3. a good position, chance, or prospect, as for advancement or success in the swinging lifestyle.
2012; Chicago advertising firm Schafer Condon Carter. --Yoplait Yogurt "Spelling Bee" tv commercial. (Portmanteau> combining swapping with opportunity)