Green’s Dictionary of Slang

1. (UK juv.) a handicapped person, esp. one suffering the after-effects of Thalidomide, which drug, erroneously distributed to pregnant women in 1960s as a counter to morning sickness, caused widespread physical disabilities in the babies.

2001		OnLine Dict. of Playground Sl. 🌐 flid n. derog. 1) A person (usu. a child) suffering from birth defects due to the drug Thalidomide.
2005		Guardian G2 13 Jan. 18: Actor/comedian Mat Fraser, with arms stunted by thalidomide, referring to the ‘flids’.

2. a general term of abuse.

2000		T. Udo Vatican Bloodbath 99: Did you hear the one about the wog, the chink, the wop, the dago, the spic, the spaz, the flid, the mong, the kraut, the frog, the lezzer, the paki and the nigger?
2006		D. Mitchell Black Swan Green 51: I’d look a total flid if I tried to spit the word out.
2021		C. Moran in Times Mag. 6 Nov. 9/1: Kids in the playground don’t really shout ‘Gaylord!’ any more. Or ‘Spaz’, or ‘Mong’, or ‘Lezza’, or ‘Flid’.