Derivied from the English phrase 'Whats going on, old
boy?'.
Now typically and commonly used in 'The ghettos' both stateside and in the UK. Can also be variated to 'Gwaanin' when used as a response to the
question 'Wagwaan'.
Jamal enters the smoked-out low-rider. "
Ah! Wagwaan!" says his
homie with excitement. "Gwaanin?" he replies, "you be passin de dutchy on de left
han side! Dat be gwan! Boyakasha!"