Ordinarily, anyone in Columbus who wants to take a fling at haute cuisine goes to Cincinnati. –Calvin Trillin ...
• (adv.) In a proverbial manner; by way of proverb; hence, commonly; universally; as, it is proverbially said; the bee is proverbially busy.
Pro·ver'bi·al·ly adverb In a proverbial manner; by way of proverb; hence, commonly; universally; as, it is proverbially said; the bee is proverbially busy. 
[adv] - in the manner of something that has become a byword
proverbially Related 'word, words' units: etym-; legi-; lexico-; locu-; logo-; onomato-; -onym.
adverb in the manner of something that has become a byword; `this proverbially bitter plant, wormwood`