Syndicated columnist Dan Savage even campaigned to turn “santorum” into a byword for sexual waste as revenge.
At a time when “right to work” has become a byword for union-busting, this is radical indeed.
It was a ghastly tragedy that rattled a nation and became a byword for anti-Semitism in France.
also by-word, Old English biword "proverb," formed on the model of Latin proverbium or Greek parabole. Meaning "something that has become proverbial" is from 1530s.