ぷつぷつbumpy (e.g. of a rash), knobbly, pimply, easily cut

茹(ゆ)で過(す)ぎた麺(めん)がプツプツと切(き)れた。

The overcooked noodles broke off easily and unevenly. {bumpy (e.g. of a rash), knobbly, pimply, easily cut}

思春(ししゅん)期(き)なので顔(かお)にプツプツの出来物(できぶつ)があります。

I have pimples on my face because I'm going through puberty. {bumpy (e.g. of a rash), knobbly, pimply, easily cut}

鶏肉(けいにく)にフォークでプツプツと穴(あな)を開(あ)けて下味(したあじ)をつけた。

I poked holes in the chicken with a fork and seasoned it. {bumpy (e.g. of a rash), knobbly, pimply, easily cut}

うどんがプツプツと切(き)れてしまうが、茹(ゆ)で過(す)ぎたに違(ちが)いない。

The udon breaks apart easily, it must have been overcooked. {bumpy (e.g. of a rash), knobbly, pimply, easily cut}

風船(ふうせん)に針(はり)でプツプツと穴(あな)を開(あ)けて、風船(ふうせん)を全(すべ)てペチャンコにした。

He pricked holes in the balloons with a needle, one by one, and flattened all the balloons. {bumpy (e.g. of a rash), knobbly, pimply, easily cut}