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1.
Signature greeting offered by South Park's Mr. Hanky, a small brown turd who articulates the true meaning of Christmas.
Mr. Hanky: "Hi-de-hi!"

Onlooker: "Oh my god, what is that?"
by Joe Bone March 18, 2005
 
2.
Gangsta greeting to ones ho-de-ho
Ho - Hello sailor! you looking for business?

John - Hi-de-hi
by Antony Butnut March 19, 2004