no duh
/nəʊ ˈdəː/intj
RareNot in standard dictionaries
1
An expression or exclamation that something is exceedingly obvious or apparent, or that one would have to be extremely foolish not to realize something immediately.
Thesaurus
#colloquial
An expression or exclamation that something is exceedingly obvious or apparent, or that one would have to be extremely foolish not to realize something immediately.