Sentence:  Advertising promotes your product and the names of your outlets. And while this is going on, you've got to remind folks of the benefits offered in your ads by means of powerful in-store signs. This golden rule packs a <WSD>three-fisted</WSD> punch that commands success for you and your retailers. 
Meaning of the word marked with <WSD> tags:  Aggressive, energetic, enthusiastic, exuberant; two-fisted.