Definition of "huh"
huh
/hʌ/
interjection
(slang, with falling pitch) Used either to belittle the issuer of a statement/question, or sarcastically to indicate utter agreement, and that the statement being responded to is an extreme understatement. The intonation is changed to distinguish between the two meanings - implied dullness for belittlement, and feigned surprise for utter agreement.
(onomatopoeia) Representing a chuckling sound.