A person that who is obsessed with Chelsea academy players no matter how good or bad they perform.
Person 1: "Mason Mount was brilliant yesterday."
Person 2: "How could you say that Chelsea lost and Mount didn't register any G/A."
Person 3: "Don't worry about him he is a cobhamsexual."
by Birrle October 26, 2022
Get the cobhamsexual mug.