Crossword clues for the word: DINNERJACKETDIPLOMACY The word DINNERJACKETDIPLOMACY has appeared as an answer to at least 1 crossword clue on different crossword puzzles. Crossword clues for DINNERJACKETDIPLOMACY Showing 1 to 1 of 1 results Clue(s) n. Slang the art of negotia-ting and eating at the same time