Yes, flop is a Scrabble word!
...and is worth 9 points in Scrabble, and 11 points in Words with Friends
flop
Adverb
1. With a flopping sound
2. Exactly
Verb
1. Fall loosely
2. Fall suddenly and abruptly
3. Fail utterly; collapse
Noun
1. An arithmetic operation performed on floating-point numbers
2. Someone who is unsuccessful
3. A complete failure
4. The act of throwing yourself down
What Scrabble words can I make with the letters in flop?
3 Letter Words
2 Letter Words
Search for more Scrabble words
Words that can be created with an extra letter added to flop:
S:flops