offensive language - Is schmuck really an obscene word? - English . . . Leo Rosten, in his classic (and funny) book, The Joys of Yiddish (McGraw-Hill 1968), says the word schmuck is defined first as an obscene reference to the penis: "Never use schmuck lightly, or in the presence of women and children Indeed, it was uneasiness about schmuck that led to the truncated euphemism shmo ", wrote Rosten Ibid p 361
Schlong and its etymology - English Language Usage Stack Exchange "penis," 1969, from Yiddish shlang, literally "snake " Compare schmuck As a verb, "to have sex with," by 2005 Related: Schlonged; schlonging It does have a verbal usage, but strangely it says it started to be used in 1969 The linked Ngram Viewer seems to support it What is its etymology? How did it get its traction?