A dialect of the English language that is used by individuals that, have difficulty pronouncing certain words, and/or, form a sentence using shortened words with improper verbs. Typically used by low class people but with no relation to wealth. Not a slang.
Has a relation to poor education but leans more towards laziness, if educated. Can be viewed upon as a quick way of making a statement. Became popular in the late 70's and early 80's by poorly educated people that touted an "accept me for me" type attitude.
Christy and me is goin to da sto, you be want'n somin. Nah, I done ate already but let me aks Ricky.