Cother
Cousin who is also a bro
Zach, my cousin, is such a bro so he is my cother!
Cother Munter
Effectively "Mother Cunter", with the first letter of each word switched. Used as a clean way of saying "Mother cunter" without people getting angry, or even knowing what you are saying.
Also used as "cother munting" (Mother cunting).
Also used as "cother munting" (Mother cunting).
"You cother munting bastard!"
"Don't be such a cother munter"
"Don't be such a cother munter"