May I remind you that It takes place in 1988-1989, therefore no one is going to be saying "lit" or "shook".

So here's a list of 80's slang, to help your poor souls.

airhead

bodacious

dick/ dickbrain/ dickhead

gag me with a spoon

clutch

damn skippy

grody

wang

frickin

bogus

hoops

( lesa )