Cuckblock
When a guy with no chance of hooking up with a girl cockblocks every other guy out of jealousy.
Dylan kept cuckblocking me last night. Laura told him there’s no way she would get with him so he cuckblocked me and her all night!
Cuckblock
Similar to the term Cockblock, this is when a woman attempts to Cheat in a relationship and gets exposed that they are cheating by having someone snitch on them to their boyfriend.
John: hey Joey Why’d you Jimmy and Julie Breakup?
Joey: well Julie was tryna go for my cock so I cuckblocked her
Joey: well Julie was tryna go for my cock so I cuckblocked her