Traditionally a Cuckold is a husband whose "Hot Wife" is cheating on him with another man.

The modern Cuckold is a husband who is turned on by seeing, imagining, or hearing about their hot wife having sex with other men.

Cuckolds get excited hot when they know their hot wife is having sex with one or more other men, and wait eagerly for their wife to return home and recount her experiences while they have sex.

The wife of a cuckold is called a "Hot Wife", the husband of a hot wife will often search out suitable partners for her to play with.