Hio 

Definition: used as a freindly greeting.

Origin: corruption of "hi".

"Hey dude!"
"Hio."

Hio by Alf Msuthav June 14, 2004

HIO 

Verb. Saying hello in a more 'happy' way. Preferably played at high volume.

I've got nothing. Rami just has fat fingers and hit the i and o keys.

HIO by [sT]Crew March 23, 2004

HIO 

Hug it out. Originated from US television show, The Office.

Michael Scott: You can HIO, bitch.

HIO by carlaaaaaaaa February 20, 2010

HIO 

Having Intercourse Outside

Dickey went to his wife Lafaunda and sensually suggested that the "HIO".

HIO by kennykiller July 1, 2009

Hio 

The best ship ever. It's so so hot where are the kids😍😍😍

Friend 1: Do you ship hio?
Friend 2: OF COURSE!! I BOUGH THE WEDDING MERCH!

Hio by Douglas Panouklas September 9, 2020

Hio 

Hio is the best ship ever!! It's so so hot where are the kids?! 😍😍😍

Friend 1: Hey do you ship Hio?
Friend 2: YAAAS!! I'VE BOUGHT WEDDING MERCH
Friend 1: EEEEEE IKRRRR SO HOOOT
Teacher: Shut up you little simps

Hio by Douglas Panouklas September 9, 2020

HIO 

HIO, a new up and coming acronym for golfers meaning Hole In One

Choi's HIO was only 30 yards so does it really count?

HIO by Staleandfunny April 13, 2021