adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
clattering; clanking; noisily
Describes the sound of hard objects like metal pieces hitting each other repeatedly. Often used with と or as a する-verb.
工具ががしゃがしゃと音を立てて落ちた。
The tools fell with a clattering noise.
彼はポケットの中で小銭をがしゃがしゃさせた。
He jingled the coins in his pocket.
na-adjective
Describes a space or collection of things that is untidy, with many items scattered about. Used as a な-adjective.
机の上ががしゃがしゃで、必要な書類が見つからない。
My desk is so cluttered that I can't find the document I need.
引き出しの中ががしゃがしゃになっている。
The inside of the drawer is a mess.