Top Definition
A fictional character created in homage to "Hard Gay" from the Japanese television shows. Hard Water is a man who only wishes to spread his knowledge of chemistry to students across the world.
"Hey did you guys see Hard Water?"
"Yeah! I've never felt so enlightened!"
by hardwaterfan June 27, 2009
When you can hear your neighbors peeing in their toilet through the walls.
Our neighbors Hard water is really getting to me!
by datz ok December 12, 2014
agua ardiente a mexican drink mostly prepared at home.
my mexican friend has got so much of hard water that we were drunk for weeks.
by babanash June 21, 2006
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