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1.
HRO
Shorthand for the popular music/alternative culture blog Hipster Runoff.
HRO = big in 2k9?
by amelioration April 18, 2009
 
2.
hro
Shorthand for hero.
An individual of distinguished courage or ability.
That hoochie is my hro!
That banana aint a hro, he's a zero.
by Kurry April 28, 2007