Is a Japanese word for "Hard", especially in the male genitalia. Or if you're watching Hentai, then you know what I mean...
これ わ かたい お (Kore wa katai o) - This is Hard
by BPJ-23 July 7, 2018
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it means anything and everything, whatever you want it to mean and can be a substitute for any word, even if they are opposite in meaning
OMG that shirt is so katai I love it!! or OMG that shirt is so katai I hate it!
by HAHAKANOODLE August 18, 2008
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