SNIGGER, SNIGGERING
NOUNS
1654 — TWITTERING a sniggering, a laughing, esp. in a somewhat suppressed or restrained manner, the sound of such laughter
1808 — NICKER a snigger; a soft suppressed laugh → Sc.
1882 — SQUIRK a sniggering; a half-suppressed laugh
VERBS
1654 — TWITTER to snigger, to laugh in a somewhat suppressed or restrained way
1785 — SNIRTLE to snigger; to laugh in a quiet, suppressed, or restrained manner → Sc. & N. Eng. dial.
1808 — NICKER to snigger, to laugh with a snickering sound, generally in a ridiculous manner → Sc.
1875 — SNURCH to snigger in a smothered kind of way → Eng. dial. (Bk.)
1887 — NEESTER to snigger, to laugh in a suppressed fashion → Sc.