The crossword solutions for the term 'THAT ___ FUNNY' are ISNT and WASNT. ISNT is an abbreviation of the phrase 'is not' and WASNT is an abbreviation of the phrase 'was not'. Both phrases are used to express a negative opinion about something, usually in response to a joke or humorous statement. Therefore, the two solutions together could be used to express disbelief or disagreement with a funny statement.