Meaning

noun worthless material that is to be disposed of

noun nonsensical talk or writing

verb attack strongly

originInherited from Middle English robous (“rubbish, building rubble”), further origin uncertain; possibly from Anglo-Norman rubous, rubouse, rubbouse (“refuse, waste material; building rubble”), and compare Anglo-Latin rebbussa, robousa, robusium, robusum, rubisum, rubusa, rubusium (although the Anglo-Norman and Anglo-Latin words may be derived from the English word instead of the other way around,…

Etymology from Wiktionary, CC BY-SA 3.0