ぽい

Etymology 1
. May be onomatopoeia.

Adverb

 * 1) lightly, carelessly, casually
 * 2) suddenly
 * 3) * 1813, 浮世床 (Ukiyodoko), Shikitei Sanba:
 * 1) * 1813, 浮世床 (Ukiyodoko), Shikitei Sanba:

Usage notes
Used with the particle.

Noun

 * 1) the act of lightly throwing something: tossing, chucking, especially carelessly: littering

Usage notes
Occasionally used on its own. More often used in compounds or as an adverb.

Derived terms

 * : littering

Verb

 * 1) to throw away

Etymology 2
Degrammaticalization of suffix.

Adjective

 * 1)  resembling the real thing