Crossword clues for Flintstone's boss:SLATEFlintstone bossMISTERSLATEFred Flintstone's bossSLATEFlintstone's bossMRSLATEFred Flintstone's bossMRSLATEFlintstone's bossSLATEFred Flintstone's bossSLATEMr. ___ (Fred Flintstone's boss)MRSLATEAptly named boss at the quarry where Fred Flintstone works