Crossword clues for the word: WISEGUY The word WISEGUY has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for WISEGUY Showing 1 to 7 of 7 results Clue(s) Flippant fellow Know-it-all Mafia member Many a Pesci role Sardonic sort Smart aleck Smart aleck: slang