a hammer used for breaking and shaping stones
noun A male homosexual transvestite prostitute: It is where the knobbers, or transvestites, hang out [1970s+; perhaps fr their wearing of false knobs, ”female nipples or breasts”; perhaps because they give knob jobs]
[nob-uh l] /ˈnɒb əl/ verb (used with object), knobbled, knobbling. 1. to (excess stone). 2. Metallurgy. to treat (semirefined puddled iron) on a hearth before shingling to produce wrought iron.
[nob-ling] /ˈnɒb lɪŋ/ noun, Metalworking. 1. a roll for a rolling mill, having a series of regularly shaped projections and depressions on its face.
/ˈnɒblɪ/ adjective -blier, -bliest 1. having or covered with small knobs; bumpy