Definition of buffed:
(n) :
Undyed leather from the skin of buffalo or similar animals.
(n) :
A tool, often one covered with buff leather, used for polishing.
(n) :
A brownish yellow colour.
(n) :
A military coat made of buff leather.
(n) :
(informal) A person who is very interested in a particular subject.
(n) :
(video games, roleplaying games) An effect that makes a character or item stronger.