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1.
A dirty person with shabby clothes and a pony tail usually missing teeth and stoned. These people are seen walking or hitch-hiking because a) they cannot afford a car, b) no one would pick them up because they would steal your pot.
Look at that fuckin' hoofy hitching a ride. I bet he would kill us for our pot.

Hey, swerve the car and hit that hoofy over there.
by eggjones1 August 17, 2009
 
2.
To have feet which resemble that of a horse or similar animal.
Alternatively to be "in a hoof" means to be in a mood.
"hoofy is in a hoof hoof"
"alright you hoofy cunt"
by ionamac October 12, 2007
 
3.
another word for a females genitalia (:
mommmmmy! my hoofy is bleeding!!
by Dink (: February 05, 2011