sniggerer|ˈsnɪgərə(r)| [f. snigger v.1] One who sniggers or laughs covertly. 1860Dickens in All Year Round 5 May 87 The sniggerers tempt him to secular thoughts of marbles.1901G. Douglas Ho. w. Green Shutters 182 Gourlay ceased to care a rap for the sniggerers.