Flop

Flop stands for:

Flop (basketball) , the pretense of an opponent's foul play in basketball
Flop (film) , an unsuccessful film
Flop (varnish) , change in the coloristic properties of a material from different viewing angles
Flop, short for the Fosbury flop, one of the high jump #techniques
Flop, the first three community cards in poker, see Community Cards #Flop

FLOPS is an abbreviation for:

Floating Point Operations Per Second , measure of speed for computer systems or processors

See also:

Wiktionary: Flop - explanations of meanings, word origins, synonyms, translations