Someone that sounds like an ignorant rap star and laughable when using words containing more than two syllables. Typically loud with a bling appearance.
That girl with all the make-up talks ghetto mouthed to try to sound cool.
When a fellow gang member hocks a loogie in your mouth and you use it as mouthwash
Did you see Tyrone get The Ghetto Mouth Wash, I could really go for one right about now.