Removing Duplicates in a string ???

Question

Well hie everyone :) 

Q) well i do have a string i.e "you just kidding me for me hell of a sake dude ha for me"

Well the given string loks awkward but anyways i want the duplicates to get removed and presnt my string in a proper manner i.e remove Second  "me" and second occurance of "for" also 

Hope u got my prob

Thank you friends