The stankiest, sloppiest, crustiest, nastiest, unwashed sort of vag on the planet. It is usually quite unpleasant for both parties partaking in a sexual interaction involving boorang.
"GOHN GET SOME NASTY BOORANG! UHN! Crusty BOORANG! Greasy BOORANG with pickles and onions. MAKE YO EYES WATER! You ain't gohn like it. I ain't gohn like it either but it's gohn happen. UHN! GOHN GET SOME BOORANG!"
(1) One that is an ultimate bro (2)One who lives by the Standard Brotical (3) A man who is often considered bro may progress into the stage of brodangism (4) One who transform from a near harmless bro to a lord of brodom.