What is Stoppy Back?
1.
stoppy back.....otherwise known as 
local...."Anychance of a stoppy back tonight boss?"
Landlord...."Aye, just let me get rid of a few strange faces first" (usually followed by a wink)
;0)
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1. 
This is the act of taking ones erect penis and holding it horizontally and thereafter setting a line of coke down the length of the shaf..