Boner
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 23:31的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=boner+etymology&newwindow=1&hl=en ref] mid 19th century (originally school slang, in the…”的新页面）
mid 19th century (originally school slang, in the now obsolete sense ‘a blow to a bony part of the body’): from bone or (in boner (sense 2)) bonehead, + -er1.
wiktionary
From bone + -er.
etymonline
boner (n.)
"blunder," 1912, baseball slang, probably from bonehead. Meaning "erect penis" is 1950s, from earlier bone-on (1940s), probably a variation (with connecting notion of "hardness") of hard-on (1893).
