to drive, force, influence, etc., by clamoring: The newspapers clamored him out of office.
7.
to utter noisily: They clamored their demands at the meeting.
Also, especially British, clam·our.
Origin: 1350–1400; Middle English clamor (< Anglo-French ) < Latin, equivalent to clām- (see claim) + -or-or1; Middle English clamour < Middle French < Latin clāmōr- (stem of clāmor)