What is Keah?
1.
A hot piece of ass that most men wish they had.
dayum, did you see that keah walking down the street?
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2.
a susbstitution for the phrase "**** yeah!" it can be used in many somber occasions without offending any parties present. It is similar to the sound made by the ending of the profane phrase and thus makes you ALMOST as hard as actually saying it.
friend 1: "so you peep footy on that booter?"
friend 2: OH KEAH, brah! that poop was tight"
See