"Huh!"
'huh?' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for what that I've seen before include "Eh?" , "Interrogatory word" , "That which - come again!" , "Word used in a question" , "Which thing?" .)
(Other definitions for gee that I've seen before include "G" , "provided by substitute for ginger?" , "Wow!" , "Word of encouragement to a horse" , "Alphabet's seventh letter" .)