Attached Link: http://www.bbc.co.uk/history/programmes/wordhunt/

Never heard a ciggie called a square before. Try these other Brit expressions :) 

Faggots - are a type of meatballs made a company called Brains.

Straight -  A machine made cigarette from a packet. 
The opposite of a "rollie" - one  that you make yourself. 

The BBC programme Balderdash & Piffle (link above) reported a lot of these words that seem to have an 'gay' meaning are a result of them being found in Polari - a 'secret' language used by gays to avoid being busted when being gay was illgeal.

Pinky - you left the lens cap of your mind on again.