Top Definition
a term used when saying hello, but used in a puppy voice. Hewro may also be used when one one is bored with the original term "hello"

*note* not to be confused with the asian "oohhh hewroooo!"
person- hey dude!
other person- HEWRO!
person- that sounds like a puppy!
by pseudonym2014 August 22, 2011

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