둥덩거리다: 둥덩거리다 keep beating (a drum); beat boom-boom; rataplan; tom-tom. 북을 ~ keep beating[booming] a drum.
덩실거리다: 덩실거리다 dance lively[merrily / cheerfully] . 덩실거리며 dancing for joy / treading on air. 덩실거리며 기뻐하다 dance[jump / leap] for[with] joy / skip about for joy / cut a caper.