[gogogodzilla]

'pay the piper'

-to accept the unpleasant results of something you have done; pay the price

After fooling around for most of the semester, now he has to pay the piper and study over vacation.

If you don't charge enough for your work, at some point you will have to pay the piper.

See also: pay, piper Cambridge Dictionary of American Idioms Copyright © Cambridge University Press 2006. Reproduced with permission.

[Kenny Bunk]

cf “The Pied Piper of Hamelin”