What does Brewfing brewfing mean?

Brewfing brewfing meaning in Urban Dictionary

mix of 'beer' + 'roof'. The work of sitting on a roof and drinking beer. Originated in Cal Poly- San Luis Obispo. to drink alcohol, or any type of alcohol, using one's roof. A simple combination of the source term brew, which can be synonymous with alcohol, and roofing. An incorrect spelling would-be broofing.