sainsbury's (also known as J Sainsbury)is a supermarket in the UK and it's pretty soi disant - that means it's stuck up. fat-tongued essex boy Jamie Olivercurrently fronts up the ads for this dismal store. I bet he hates himself for that, although he can have all the pukka food he likes because he gets a shit load of wonga for saying things like 'try something different'. try waitrose instead.
Anand: "Wait, I know a shortcut...take this left here...quick turn right again! Oh you were too slow, now we have to wait"
Cab driver: "What? You wanted me to take a left to miss to miss that traffic light and go through another traffic light?? What a silly man, what a stupid Sainsbury's manoeuvre!"
refers to the action of pulling your penis downwards, whilst pushing your scrotum forwards with your legs, so your balls get pushed either side of your cock. A succesful procedure should resemble the most disgusting chicken on the shelves in the super-market.
Generic adjective, probably from London, inferring positive connotations. Part of a wide selection of meaningless adjectives created by Londoners. Synonyms include bank and box.
Probably derived from an English supermarket chain.