Cuck

Definition
A cuck is a (usually male) partner who experiences sexual arousal at the idea or sight of his partner (his cuckoldress) having sex with someone else, often within a cuckolding dynamic involving power and humiliation.

Cuck
© Mrs Moriah

Explanation of cuck

The term cuck originates from the word cuckold, which was historically used in English to describe a man whose wife committed adultery. In the modern BDSM and fetish world, however, it has acquired a specific, often erotically charged meaning.

A cuck is usually a man who experiences sexual or psychological arousal when his (female) partner is intimate with another person. This can range from passively watching to being completely excluded. Often, a dynamic of humiliation or power also plays a role: the cuck is reminded of his “inferior” position in relation to the new lover (often called bull).

Voyeurism and exclusion

Within Femdom relationships, cuckolding is regularly combined with other forms of play, such as chastity (the cuck is not allowed to ejaculate), humiliation, or keyholding, in which the Mistress literally holds the key to his sexuality in her hands. For some, it is mainly about voyeurism and the thrill of exclusion, for others it is about the psychological charge of power, jealousy, and surrender.

The phenomenon is multifaceted: some couples experience it as playful and erotic, others integrate it as a structural part of their relationship. However, the core remains the same: sexual pleasure does not come from one’s own actions, but from seeing, feeling, or knowing that one’s partner is being satisfied by someone else.

Safety & points of attention

All parties involved must consent voluntarily and consciously; cuckolding without genuine consent can cause serious emotional damage.

Jealousy, insecurity, and humiliation can have a profound impact. Ensure good communication and aftercare.

Clearly agree on what is and is not allowed—for example, whether the cuckold is allowed to watch, be present, or is completely excluded.

When having sex with multiple partners, attention must always be paid to STI prevention.

For some, cuckolding works mainly in fantasy or online; the step to reality can be confrontational.

Related terms cuck

Bull
Chastity
Chastity belt
Cuckolding
Cuckoldress
Keyholder

More information

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