i Register
In some senses, hotwife is marked as slang. Watch for register when choosing this word.
noun
A married female swinger; a wife who has sex with people other than her spouse, with the spouse's approval. A wife whose spouse is a swinger or wittol.
Jeff and Allison secretly live the "hotwife/cuckold" lifestyle.
2018 ‘Stag’ men love watching other guys have sex with their wives… but it’s not cuckolding The Vixen, often known as ‘Hotwife’, has sex with the encouragement of her husband or boyfriend with the Bull (that’s the guy who is servicing her).
verb
To participate in a hotwife sexual relationship.