A male erection. Used a lot in Glasgow, 1980's.
The teacher called Little Johnny to go up to the blackboard. Little Johnny refused because he was taking a raging stonner.
A pork sausage wrapped in a doner kebab, soaked in batter and then deep fried.
1000 calories with 46g of fat including a portion of chips (£3), 'the most dangerous supper in Scotland' is the creation of Saei Sangag, owner of a chip shop on Glasgow's Old Dumbarton Road, who says he got the name from Chewin' the Fat, a cult Scottish comedy. 'I wondered if the name was a bit risky but most people think it's great... it's flying out of the fryers.'
Interviewed by Canadian radio and broadcast throughout North America, Sangag said he keeps an advert in his window that reads: 'Due to severe health danger of this fine dish we can only supply one Stonner supper per customer per week'.