Neuk means: A bend (e.g. in a coast) ...the fleet, after exploring the harbours, had doubled the East Neuk, passed safely through St Andrews Bay, and entered the Firth of Tay. --Chronicles of Strathearn (1896) -. It is mainly Scottish English and may not be understood outside that context. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour.