shoutout to someone...beginning a conversation..."eyo, wuttup". Calling a friend to attention.

eyo (hEY YOu)

eyo -> fast way of sayin hey yo

Extremely tuff. A phrase used to indicate excitement, and in some cases "gaiety".
Also, unbelievably surprising; used to indicate content, satisfaction, astonishment, and of course, GAIETY

E = Eat(ing)
Y = You
O = Out

To eat a girl out.

when your driving off and you're like "E. Y. O. !!!!!!!!!"

to eyo

Blurted out really fast in sequence to annoy or to sound rastarfarian.