プチプチ;ぷちぷち /(adv-to,adv) (1) (on-mim) with a pop/with a squish/(adv-to,adv,vs) (2) (on-mim) grainy/crunchy/lumpy/(n) (3) (See 気泡緩衝材) {tradem} bubble wrap/(n) (4) small grains/small bumps/EntL2404570/