Entry 3 senses · 3 variants Webster, 1913 Mucker /(mŭk"ẽr)/ · Muck·er · IPA /ˈmʌkə(ɹ)/ n. n. v. t. 01 n. A term of reproach for a low or vulgar labor person. 1. A term of reproach for a low or vulgar labor person.[Slang] 02 n. An excavating machine designed to remove particulate material from within a confined area, as in a tunnel or mine. 1. An excavating machine designed to remove particulate material from within a confined area, as in a tunnel or mine.(Construction) 03 v. t. To scrape together, as money, by mean labor or shifts. 1. To scrape together, as money, by mean labor or shifts.[Obs.]