a place where yo would be more likely to get shanked than in prison

Commonly used in text messages or social media as a short form for Very Sound Advice.

There be dragons.

The area of London south of the river thames. just as nice as north london (depends within) but people pretend it doesnt exist. Also is badly served by the tube cuz of lazy buggers at TFL. Also, west of the A20 the roads are crap except the A3.