In the UK we don't use mids in our vocabulary because it doesn't exist here. You'll here dro occasionally but mostly draw, skunk or punk. The terminology goes on like saying

'Can u link a draw'? can u abscond me some cannabis?
'Link me a ben' I would like to purchase £10 worth please.
'Let me get a score/hen(henry the 8th) An 8th's worth Could be 3g's to 3.5 depending on the dealer.
'buff it up' Give an increased amount of weight in the bag please.

blah blah blah many more.