flop

fall loosely

• “He flopped into a chair”

fall suddenly and abruptly

fail utterly; collapse

• “The project foundered”

an arithmetic operation performed on floating-point numbers

• “this computer can perform a million flops per second”

someone who is unsuccessful

a complete failure

• “the play was a dismal flop”

the act of throwing yourself down

• “he landed on the bed with a great flop”

with a flopping sound

• “he tumbled flop into the mud”

exactly

• “he fell flop on his face”