Raggamuffin: A Jamaican ghetto dweller. Rude Bwoy (rood bwhy): Can be a common greeting to a cool friend or it can describe a tough guy, rebel, or criminal. Ragga: The current term of popular reggae music. Jah-Lord: Jah Bless (God Bless) Irie (I-ree): Means everything is all right. Expression of feeling great and cool. Ganja: Marijuana. Mon: Perhaps the single most important Jamaican word, Mon can represent every person in Jamaica – man, woman, and child. Yes mon!