the type of 'scientific' knowledge that is passed from one lad in the gym to another, which is more likely to be pseudoscience.
'My mate told me if I want to get ripped I have fast every second day'.
'No way, that is total bro-ology'.
What you call When you have a class with one or more bros
Bro1:dude what do you have 3rd hour
Bro2: I have bro-ology