Snick up, shut up; silenced. See Sneck up, under Sneck.
Give him money, George, and let him go snick up.
Beau. & Fl.
Snick"er (?), 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.
2. To laugh with audible catches of voice, as when persons attempt to
suppress loud laughter.