しっしょう

  1. noun (common) (futsuumeishi), noun or participle which takes the aux. verb suru, intransitive verb

    laughing at an inappropriate time, not being able to hold back one's laughter

  2. noun (common) (futsuumeishi), noun or participle which takes the aux. verb suru, intransitive verb

    scornful laughter, snicker, snigger
    colloquial