bellyflop

 
Pronunciation: /ˈbɛlɪflɒp/
informal

noun

  • a dive into water, landing flat on one’s front.

verb (bellyflops, bellyflopping, bellyflopped)

[no object]
  • perform a bellyflop: he bellyflopped into the water
  • (of an aircraft) perform an emergency landing without lowering the undercarriage: the plane bellyflopped in a cornfield