a professional bro. This is a person who excels in party related activity with a professional style. They are good at all things party: i.e. drinking, smoking, dancing, talking to the opposite sex, getting out of situations, etc.

Got the covid-19 vaccine

Noun.
A brofessional is a dude who has devoted himelf fully to bro activities. Obviously this includes beer drinking, watching sports, playing videogames, listening to bro music, hitting on slutty girls.

However, what truly distinguishes the brofessional is that he, upon graduation, finds a job that encourages or accomodates this lifestyle.

For example: Investment Banker, Lacrosse Coach, Client Relations Management, Beer Company Representative, Admissions Officer, College Counselor, Vineyard Vines Employee, Physical Therapist.

one who is a Professional Bro, who not only excels but pillages in all forms of partying, including, but not limited to: drinking, smoking, smoking cigarettes, talking to girls, handling liquor, and getting out of shit while your drunk.

The one bro in your group that is pro at everything

A worker's wingman;

able to understand the loyalty between two employees and take favor towards a better outcome for the associate over the company;

Covering for a fellow employee.