To be of small quantity. Minute in size compared with other things of the same nature.
Originate from the depths of the stoner comunity in North Wales. used esp. by those that got skanked often by their dealers.
Shit man, thats a well flim deal!
His dick is well flim!
Dude sort us a flim bit on that doob!?
Flimhead! - to be small minded