Definitions

1. noun

a male bird of a species of grouse, typically having a black neck and white underparts

“The cuck’s distinctive call could be heard in the woods.”

2. noun

a person, especially a man, who has been deceived or tricked, especially by a woman

“He was left feeling like a cuck after discovering his wife’s infidelity.”

3. interjection

an expression of surprise or excitement

“Cuck! I never saw that coming!”