[pekon ; pekori ; pekorin](adv, adv-to) (1) sound of thin metal or plastic surface caving in and springing back; (2) action of quickly bowing or lowering one's head; (with a) bob of the head[Add to Longdo]
[petapeta](adv) (1) (on-mim) sound of a flat surface repeatedly making contact with something; (2) (on-mim) applying a seal or stamp again and again; pasting (paper) all over; (3) (on-mim) daubing; smearing[Add to Longdo]