[f. SNIGGER v.1] The action of the vb.; half-suppressed laughter.
1775. Ash, Dict., Sniggering, silly kind of laugh.
1779. Mme. DArblay, Diary, Oct. I had been obliged to turn my head another way, that my sniggering might not sooner make him see his mistake.
1823. [see SNIGGER v.1 1 c].
1865. Sat. Rev., 4 March, 245. The sniggering of everybody around one over indecorous inuendos.
1876. Freeman, in Stephens, Life (1895), II. viii. 144. The sniggering only shows what a move it was.