adverb taking the 'to' particle, adverb
with a quick bounce; bobbing up and down
Describes a light, springy movement, such as a quick bow, a small jump, or something popping up suddenly. Often used with と.
彼はぴょこんとお辞儀をした。
He gave a quick little bow.
うさぎがぴょこんと跳ねた。
The rabbit hopped with a little bounce.