do (one's) dash
To do something to the fullest extent that one can. Primarily heard in Australia. Whew, I've done my dash! Can we just rest for a minute?
do your dash
exhaust your energies or chances. Australian informal 1973 Chester Eagle Who Could Love the Nightingale? ‘Keep going,’ she said. ‘Keep going.’ ‘I've done my dash, Marg, in every sense of the words.’