A combination of the word ferocious and whenever you go brrrr it's cold outside!!
Not commonly used, only when it's like 10 degrees and you're fucking freezing not when it's just a little cold.
Matt: Hey bro did you hear it's supposed to be 2 degrees tonight?
Allen: More like it's going to be brrr - ocious outside!
Matt: what does that mean?
Allen: Brocious is a combination of the word ferocious and like when ever you say brrrrr while outside referring to the cold.
Matt: Thanks my good man.
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."