sniggle

And in one way and another this impression was brought home to the young rector more than once during these days, so that his cheek flamed as he passed the window of the reading-room, or caught the half-restrained sniggle in which Gregg ventured to indulge when in company.

Sniggle, snig′l, v.i. to fish for eels by thrusting the bait into their hiding-places.—v.t. to catch by this means: to ensnare.—n.

He heard Hydeman's sniggle of laughter behind him.

You can't always sniggle successfully.

Molly and Douglas did not like church; their fair heads were close together, and occasionally a faint sniggle would cause nurse to look round with stern reproval.