fill or kill

and FOK

phr. a broker’s notation advising the stock exchange to fill a stock order or kill it. (The abbreviation is an initialism. Securities markets.) Get rid of this order. It was fill or kill, and it should have been killed yesterday.

Common Names:

Name	Pronounced	Usage
Afra (1)	-	Late Roman
Bart	BAHRT	English, Dutch
Aniket	-	Indian, Hindi, Marathi
Stanislovas	-	Lithuanian
Miroslava	mee-rah-SLAH-vah (Russian)	Czech, Slovak, Russian, Croatian, Serbian, Macedonian, Slovene, Medieval Slavic
Antaeus	[æn'ti:əs]