and then there was their biggest hit of all , `` come to find out , '' a colloquial term in alabama for making an unexpected discovery : `` come to find out you done done it again / come to find out i got screwed in the end / shoulda known better there 'd be no doubt / you done the mailman '' ( or `` the mayor , '' or `` all the neighbors , '' depending on the verse ) , `` come to find out . ''