The term 'crack, so to speak' can be broken down into three crossword solutions: STAB (4 letters), TRY (3 letters), and REMARK (6 letters). The term 'crack, so to speak' is an idiom that means to make a joke or humorous comment. The crossword solutions are related to this meaning in that they all suggest making an attempt at humor. STAB is a verb that means to make a sudden, sharp attack or thrust, which could be interpreted as making a joke. TRY is a verb that means to make an effort or attempt, which could be interpreted as making an attempt at humor. Finally, REMARK is a noun that means an observation or comment, which could be interpreted as making a humorous comment.