bitching Syllabification: (bitch·ing)Pronunciation: /ˈbiCHiNG/ (also bitchen or bitchin' /ˈbiCHən/)Definition of bitching adjective informal excellent:a bitching new album adverb [as submodifier] extremely:it’s bitchin' hot, ain’t it?bitching in other Oxford dictionaries Definition of bitching in the British & World English dictionary