Crossword clues for the word: KISSUP The word KISSUP has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for KISSUP Showing 1 to 8 of 8 results Clue(s) "Act the toady, slangily" "Be a teacher's pet, slangily" "Play the sycophant, slangily" Be a teacher's pet Curry favor with, with "to" Flatter the boss for personal gain He flatters the boss with fake affection Toady (to)