Checkbuddy 

No mate, yes buddy.

ME:Checkbuddy! Guy:NOOOO!

Checkbuddy by I like boiled potatoes January 4, 2022

Checkbuddy 

A Canadians way of saying Checkmate

Your king has nowhere to go! That's checkbuddy!

Checkbuddy by firstnamebog March 6, 2024

Cuckbuddy 

A guy (or a girl) that hopes to have sex with someone but the target of their desire only sees them as a friend and openly sleeps with other people knowing of their friend's feelings.

"Oh you don't do anything together, but she fucks others? So you're her cuckbuddy? Cool cool..."

Cuckbuddy by LogicalCalamity February 3, 2021