Alternative form of who pays the piper calls the tune

(Southern US, colloquial) An expression of astonishment upon learning something unbelievable (usually positive).

(Southern US, colloquial, mildly vulgar) An expression of astonishment upon learning something unbelievable (usually positive).

(US, military, idiomatic, sometimes humorous) Used by senior enlisted military personnel to indicate that they are not commissioned officers.

(archaic) second-person singular simple past form of call