sink or swim
A sink-or-swim situation is one in which we must save ourselves by our own means or else fail. The image is that of a person thrown into the water without a life preserver; he or she must swim or drown.
Words nearby sink or swim
Idioms and Phrases with sink or swim
Succumb or succeed, no matter what, as in Now that we've bought the farm, we'll have to make a go of it, sink or swim. This expression alludes to the former barbaric practice of throwing a suspected witch into deep water, often weighted down. In case of sinking, the victim died; in case of swimming, the victim was considered in league with the devil and therefore was executed. A related idiom, float or sink, was used by Chaucer in the late 1300s; Shakespeare had the current form in 1 Henry IV (1:3): “Or sink or swim.”