adverb, adverb taking the 'to' particle
tearing along a perforation; peeling off a sticker or film
Onomatopoeic adverb describing the sound or action of tearing paper along a perforated line, or peeling off a sticker, plastic film, or similar thin layer. Often used with と and a verb like 破る or 剥がす.
ミシン目に沿ってペリペリと紙を切り離した。
I tore the paper along the perforation with a peeling sound.
スマホの保護フィルムをペリペリ剥がした。
I peeled off the screen protector from my smartphone.