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Any person and/or human being who is sexually attracted to or derives sexual pleasure from headwear.
I saw my brother masturbating to the hat section in CSS. I believe he may be a hatrosexual.
by Geoff Dolphin June 07, 2007
Negative comment, used to rib a person who over-uses the stingy-brim hat fashion statement. The deserving person can be seen constantly adjusting it, looking in mirrors and glancing at window reflections.
Dude, enough with the hat already, don't go hatrosexual on us.
by Player-X July 29, 2011