yam‧mer /ˈjæmə $ -ər/ (
also yammer on)
verb [intransitive][
Date: 1400-1500;
Origin: yomer 'to talk quietly, be sad' (12-15 centuries), from Old English geomrian]
informal to talk continuously in a way that is annoying:
a crowd of yammering aunts and cousins [TahlilGaran] Dictionary of Contemporary English ▲