The term 'stop shilly-shallying' is a phrase used to encourage someone to make a decision quickly and without hesitation. The crossword solutions for this term are DECIDE (6 letters) and OPT (3 letters). DECIDE means to come to a conclusion or make a choice, while OPT means to choose or select. Therefore, the phrase 'stop shilly-shallying' can be interpreted as a call to action to make a decision and not hesitate or waver in doing so.