搏髀

bóbì
to beat time by slapping one's thighs

CEDICT

拍击大腿，表示激动。亦指歌唱时用手拍击大腿，以为节拍。

重編國語辭典

Entry Composition

1 搏 bó
  1. to fight
  2. to combat
  3. to seize
  4. (of heart) to beat
2 髀 bì
  1. buttocks
  2. thigh