also: ぴょーん
adverb, adverb taking the 'to' particle
Describes a light, springy jump or movement, often with a carefree or playful feel. Used adverbially, frequently with と.
うさぎがぴょんと跳ねた。
The rabbit hopped lightly.
子供がぴょんぴょん跳びはねている。
The child is jumping around nimbly.
expression
boing; sproing
Mimics the sound of a spring or something bouncing. Often used as an interjection or sound effect.
バネがぴょんと音を立てた。
The spring went 'boing'.
particle
sentence-ending particle for cuteness
Jocular, playful particle added to the end of a sentence to make it sound cute or childish. Often associated with a bouncy, lighthearted tone.
今日も元気だぴょん！
I'm full of energy today, pyon!
それ、いい感じだぴょん。
That looks good, pyon.
Mimetic word; the sound-symbolic origin is uncertain but likely imitates a light springing or bouncing sound.