The
word, "Sho", can mean many
things. It can be used to
agree with someone. Originating most likely as follows, (For sure>foe show>fo sho>sho>Sho!). When saying "sho", you can't say it
quietly or else it loses it meaning.
Sho can also be used to say no. Or even goodbye and many other things.
Drugs are usually involved when people say sho. It depends on your tone and volume when saying the word.