Vocabulary What does むかむか mean? むかむか means queasy, nauseated (stomach); anger welling up. Quick factsReadingむかむか むかむかむかむかTOPICSqueasy, nauseated (stomach); anger welling upExample sentences食(た)べすぎたのか、胃(い)がむかむかして気持(きも)ちが悪(わる)い。Maybe I ate too much; my stomach is queasy and I feel sick.