Studying for a test or doing homework while beer is involved, making difficult classes such as physical chemistry more bearable. Classes involved can be any class that is deemed difficult.
Also can be referred to as A = ebc, which is the real Beer's law used in chemistry, where A is absorbance, e is the extinction coefficient, b is the path length, and c is the concentration.
It is useful to use this definition to indicate beer is involved in public places where it is not appropriate to speak of such things.
Person A : Hey man you do that p. chem homework last night?
Person B: Naw man, i'ma hit it up tonight with my buddies using Beer's law, u game?