ピクリ

adverb taking the 'to' particle, adverb

with a twitch; with a slight movement

Describes a small, sudden, involuntary movement, such as a twitch of an eyebrow, a slight dip of the head, or a flutter of a body part. Often used with する or 動く.

See also: ぴくっと

• 彼かれのまぶたがピクリと動うごいた。

  His eyelid twitched.

• 猫ねこの耳みみがピクリと反はん応のうした。

  The cat's ears twitched in response.