also: くにゃり
adverb, adverb taking the 'to' particle
flabbily; limply; softly; flexibly
Onomatopoeic adverb describing something bending, yielding, or being soft and limp, often with a sense of lacking firmness. Can be used for physical objects or metaphorical lack of resistance.
This rubber bends limply.
He collapsed limply onto the floor.
Onomatopoeic/mimetic word; the exact origin is uncertain, but it is likely derived from the sound or sensation of something soft and yielding.