huh

huh /ˈhʌ/ interjection
huh
/ˈhʌ/
interjection
Britannica Dictionary definition of HUH
informal
1 
chiefly US — used at the end of a statement to ask whether someone agrees with you
2 
— used when you have not heard or understood something that was said
3 
— used to show surprise, disbelief, or disapproval