v. i. [ imp. & p. p. Snickered p. pr. & vb. n. Snickering. ] [ Cf. D. snikken to sob, to sigh. ] [ Written also snigger. ]1. To laugh slyly; to laugh in one's sleeve. [ 1913 Webster ]
2. To laugh with audible catches of voice, as when persons attempt to suppress loud laughter. [ 1913 Webster ]