huh
From Longman Dictionary of Contemporary Englishhuhhuh /hʌhhʌ/ interjection
1 UNDERSTANDused to show that you have not heard or understood a question
‘Carlyare you listening to me?’ ‘Huh?’2 especially American EnglishAGREE used at the end of a questionoften to ask for agreement
Not a bad little placehuh?3 DISAGREEused to show disagreement or surpriseor to show that you do not find something impressive
‘She looks nice.’ ‘Huh! Too much make-upif you ask me.’Origin huh (1600-1700) A natural sound

