Fake cops. People in security jobs with similar uniforms to the police, who act like and want people to think they are real cops. These people are normally quite sad.
Katie: "Quick, chuck your joint away - it's the cops."
Rod: "Chill out girl, it's just the Fops"
FOPS abbreviated version of FULL ON PARTY SCENE.
Generally used to quicky and aptly convey the need for a crazy party to happen.
Can also be morphed into different forms of the same abbreviation. Like, you can have a FOFYS(Full on First year Scene), pronounced (FOe-fys).
Bro1: I haven't had 7 beers in one night in SO long.
Bro2: you know what this means, right? FOPS at Bro3's place. Time to get SLOSHED
Bro1: You read my mind,Bro2.