Wrapping one's arms around one's own legs, usually in a sitting position. Sometimes used to express melancholy or contemplation.
This tag also includes taiikuzuwari ("sports sitting"), a manner of sitting practiced by Japanese students in gym classes.
See leg lock for wrapping one's legs around another person's body. See hugging another's leg for hugging another person's leg. See knees to chest or fetal position if the person is lying on their back or side.