Gangstarous is a word made up from the two separate words, Gangsta and Dangerous. The gangsta part of the word describes one who is affiliated in any way, shape, or form with any sort of gang or gang-like click. The dangerous part of the word denotes a being or thing that is shrouded with a feeling that strikes other beings with fear of being hurt. It also denotes something that is affiliated with pain and death. Combining there two common words gives you 'Gangstarous,' one who is an ice cold gangsta who is usually strapped and deadly.
Don't mess with that gal Hali, she's one Gangstarous mothafucka!
by That boy 'Los April 30, 2009