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A secretive way of saying 'getting high'. Its 420 up-side down and can easily be played off if parents or adults are around. The lower-case h is like the 4, the capital J with a line atop it is like a 2, and the zero is still a 0.
Bobby to Friend: Yo hJ0... quick.
Mom: Bobby since you got in trouble earlier, I decided to read your texts and saw you write hJ0, what does that mean?

Bobby: Mom I was quizzing my friend for our chemistry test. I meant write h20, it was an accident.

Mom: Ohhh sorry, since this was a misunderstanding then who knows what else was!!! You're no longer in trouble. And go get me some h20. Hahaha.
by 0721E March 11, 2011
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