knobstick 瘤頭棍棒;破壞罷工
Knob·stick n. 1. One who refuses to join, or withdraws from, a trade union. [Cant, Eng.] 2. A stick, cane, or club terminating in a knob; esp., such a stick or club used as a weapon or missile; a knobkerrie. ◄ ►