Sentence:  But for those of you that don't know, what men really like, is for you to talk to them with a feisty little attitude. You spark their fire when you do that. The feistier and <WSD>sassier</WSD> you act, the better. 
Meaning of the word marked with <WSD> tags:  Bold and spirited, cheeky, impudent, saucy. (from 1833)