Loving/obsessing over an athlete too much.
Dude stop cucking over Burrows glasses!
To watch someone having sex on their own or with someone despite the relationship status. as long as all parties know and agree to it.
This is usually considered a kink.
A man cucks in his best friend and his best friend's wife on their anniversary. therefore his is cucking them.
When a woman tires of a relationship, but benefits from it too much to leave, then "separates" from her significant other, but continues cohabitation while dating others.
"Nobody will date Chad because he still lives with his wife. Karen is cucking him, hard."
When cucks run away from their respective bulls in a marathon like race.
Yesterday my husband participated in a cuck-a-thon with my bull.
To be a cuck in the corner, but still getting that nut.
“Jessica got fucked by that dude, and I got my cuck nut in!”
Someone who is both ugly and disliked, generally used as an insult directed at anyone not exclusive to people who are ugly and like witnessing their significant other have coitus.
"Jason didn't do his slides on the presentation"
"Ugh he's such a clapped cuck"
Kulu Cuck is a man who's to scared to fuck his own wife, so he hides in a bush and watches other men fuck her.
Josh: yo I heard ben hides in bushes while people fuck his wife
Sammy: wow Ben's a kulu Cuck!?