flop
1. [ verb ] fall loosely
Examples:

"He flopped into a chair"

Related terms: collapse
2. [ verb ] fall suddenly and abruptly
Related terms: descend
3. [ noun ] (computer science) an arithmetic operation performed on floating-point numbers
Synonyms: floating-point_operation
Examples:

"this computer can perform a million flops per second"

Related terms: computer_operation
4. [ noun ] a complete failure
Synonyms: bust
Examples:

"the play was a dismal flop"

Related terms: failure turkey break
5. [ noun ] (informal) someone who is unsuccessful
Synonyms: washout dud
Related terms: loser colloquialism
6. [ verb ] fail utterly; collapse
Synonyms: fall_flat founder fall_through
Examples:

"The project foundered"

Related terms: fail
7. [ adverb ] (informal) exactly
Synonyms: right
Examples:

"he fell flop on his face"

Related terms: colloquialism
8. [ adverb ] with a flopping sound
Examples:

"he tumbled flop into the mud"

9. [ noun ] the act of throwing yourself down
Synonyms: collapse
Examples:

"he landed on the bed with a great flop"

Related terms: descent
Similar spelling:   floppy
  flip
  flap
  Flippo
  Fulop
  flub
  flab