A combination of the four following words: besties, bros, homies, and roomies. A term that can be used to refer to a person who is both your best friend and roommate. Not limited to the male gender, for two females can also be bros. Spending a ridiculous amount of time together and having a substantial amount of secrets and inside jokes is a must. Often viewed as an inseparable pair by others, rather than as individuals.
Bro: That person was NOT broliterate. How can you not know the word brology, its the most important word amongst bros!
Friend of the Bro: Well, I mean they were not a bro what did you expect?
Bro: Yah I guess your right bro.
(n) /broo'-mee/ A compound word consisting of "roomie" and "broom closet", to be used to describe someone who lives in your closet -- perhaps converted to have the appearance of a small extra bedroom.