Hi is short for hello.
Hi, it is nice to meet you.
by ilikepizza2 March 18, 2017
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boy: hi

girl: hi

( ... what other example is there? )
by none.of.your.BEESWAX August 8, 2009
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When you meet a friend in the street and you're both in a hurry to go places...

A quick hello or alrite as you pass each other... or frantic conversation..
All right, how are you?

Not bad, not bad!

Must go see you around i'm sure!

-end of conversation

now thats a hi-by
by fishpish September 6, 2007
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greeting your friend, walking by or seeing an old friend
hi hows your dog doing?
by eastisup February 26, 2017
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a word said in a high pitched, annoying voice when passing bye a stranger in the supermarket to see his or her reaction. Basically, just a way to mess with people. Usually accompanied by a quick flashing of the palm with the elbow bent at 90 degrees.
George: Hi!

Stranger Tim: Wull hullo there, fella...(wtf?)
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hi
hi
by Durgle June 7, 2017
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A term that means HELLO. Used on AIM by more than 10000000000 million people. People recieve a hi from at least 10 people online a day. It is the word that is used because us, Americans, being lazy, cannot say HELLO. Never capatilized.
RooRoo123: hi
FooFoo123: sup?
RooRoo123: nm
by HiHiHiHiHiHiHiHi December 22, 2005
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