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1.
eyo
shoutout to someone...beginning a conversation..."eyo, wuttup". Calling a friend to attention.

eyo (hEY YOu)
eyo, wuttup? eyo,come here eyo, what your name? eyo,you wanna start something?
by LoLLiPoP August 12, 2004
 
2.
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
C - "Yo i jus got laid man!"
F & J (collectively) - "Ey O!!!"
C - "Amazing aint it?"
J - "what? we was referrin to that bundle of ghoood stuff jus passin by!"
 
3.
EYO
eyo -> fast way of sayin hey yo
Joe: eyo waz good?
by MikeEYO May 19, 2007
 
4.
EYO
E = Eat(ing)
Y = You
O = Out

To eat a girl out.
"Hey girl, I'm gonna EYO tonight"
__

"Shush girl, I'm EYO I can't talk"

by HuNhUn February 13, 2009
 
5.
EYO
when your driving off and you're like "E. Y. O. !!!!!!!!!"
Hey man, why don't you EYO into oblivion.
by Dr. Jittle Mc Jitterson July 11, 2003
 
6.
EYO
Blurted out really fast in sequence to annoy or to sound rastarfarian.
RP: That Sean Paul is giving me a headache.
by RP December 31, 2004
 
7.
EYO
to eyo
I like to eyo.
by Rory August 26, 2003