Knockers
来自Big Physics
Safin（讨论 | 贡献）2022年4月29日 (五) 08:18的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/knockers ref] From the verb knock + -er, an agentive suffix. The slang term for brea…”的新页面）
wiktionary
From the verb knock + -er, an agentive suffix. The slang term for breasts is attested since the 1940s. For fuller etymology see knock.
