“The minute ye let go o yer wee rubber deuk yer classed as aboot tae droon. Then the arbiters o the race, there an then, haul ye oot o the water an that’s the end o yer Olympic dream.”
deuk, juck: duck.
“The minute you let go of your little rubber duck you are classed as about to drown. Then the arbiters of the race, there and then, haul you out of the water and that is the end of your Olympic dream.”