Crossword clues for His ___ (a self-important person). 4 letters:NIBSHis ___ (a self-important person).NIBSSelf-important personEGOISTSelf-important personASSSelf-important personHISNIBSSelf-important person: Colloq.IKEBig ___ (self-important person, in the South)EGOISTSPersons full of self-importance