3 ms·
The Online Etymology Dictionary dates "boner" in the sense of "blunder" to 1912 (https://www.etymonline.com/search?q=boner https://www.etymonline.com/search?q=b
by rsfinn 7y ago
The Online Etymology Dictionary dates "boner" in the sense of "blunder" to 1912 (https://www.etymonline.com/search?q=boner https://www.etymonline.com/search?q=boner) — "baseball slang, probably [derived] from 'bonehead'".