heyyylo 

Greeting made from a cross between hey and hello
Most commonly used by hyper people and meth addicts

HEYYYLO i am so on a sugar rush right now, im going to go jump off the Empire State Building

heyyylo by EvilAlterEgo May 2, 2008

Heyyyooo 

To be fucking hype

“Brian: this party is lit dawg
You: heyyyooo!”

Heyyyooo by Seasidebitch June 11, 2018

Heyyyo! 

Term used when one may be taken by surprise or shock and not expecting it, or when One does not want to use the phrase, "Oh Snap!" instead.

Carrie: "Damnit Charley you beat me in Egyptian Ratscrew again.."

Charley: "Heyyyo!"

Heyyyo! by CharBarz August 1, 2010