Pretentious or silly talk or writing; SYN. boloney, bilgewater, bosh, drool, humbug, taradiddle, tarradiddle, tommyrot, tosh, twaddle.

(Obscene) A ludicrously false statement; SYN. bull, Irish bull, horseshi, shi, cra, bunk, bunkum, buncombe, guff, rot, hogwash, dogshi.

ETYM Old Eng. also garbash, perh. orig., that which is purged or cleansed away.
Food that is discarded (as from a kitchen); SYN. refuse, food waste, scraps.

ETYM Pref. non- + sense: cf. French nonsens.
A message that seems to convey no meaning; SYN. nonsensicality, meaninglessness.