n. & v.
n. 1 a disorderly crowd; a rabble. 2 (prec. by the) usu. derog. the populace. 3 colloq. a gang; an associated group of persons. 4 Austral. a flock or herd.
v.tr. & intr. (mobbed, mobbing) 1 tr. a crowd round in order to attack or admire. b (of a mob) attack. c US crowd into (a building). 2 intr. assemble in a mob. mob law (or rule) law or rule imposed and enforced by a mob. mobber n. & adj.
[ abbr. of mobile, short for L mobile vulgus excitable crowd: see MOBILE ]