Aah divvent think 'Wooga-Wooga' is summat either Her Maj or Phil The Greek would yell. Her bein' of Germanic extraction and and him bein' of Hellenic insertion.
They'd prob'ly be mair likely to shout summat like 'Hande Hoch' or 'You want chilli sauce onnit?'
'Wooga-Wooga' sounds more colonial - Mebbe Oz or USA