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Giving something "a bit of/some Larry Dooley" in Australian slang is to exert extra effort. The term is often used by Australian cricket commentator Richie Benaud when describing an aggressive batsman.
After hitting a six to reach his century in the 2006 Boxing Day Test Match, Andrew Symonds said in a press conference:
In the 60's and 70's 'Give it the Larry Dooley" was to wind it up in the car, drag em off or give it heaps!