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Definition: used as a freindly greeting.

Origin: corruption of "hi".
"Hey dude!"
"Hio."
by Alf Msuthav June 14, 2004
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May 3 Word of the Day
Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)
Monica: Oh yay! I made a new mutual today because we started following & talking to eachother on twitter and we like eachother (so it seems).
by qtheresurrection March 25, 2015
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2
a term used to add enthasis to a innuendo or a silly or dirty act. in doing so the statement or act is now branded

p.s remember to use responsibly
" wow thats one massive carrot you've got there"
then you may follow the previous statement with a 'Hio!'
by Mace jimbu June 01, 2010
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3
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.
by [sT]Crew March 23, 2004
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4
Hug it out. Originated from US television show, The Office.
Michael Scott: You can HIO, bitch.
by carlaaaaaaaa February 20, 2010
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5
Dickey went to his wife Lafaunda and sensually suggested that the "HIO".
by kennykiller June 30, 2009
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6
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
by Douglas Panouklas September 09, 2020
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