They don't know how the election will turn out, so for now they're just 'keeping their powder dry'.
The girls put on their lipstick and (face) 'powder' before heading out to the dance.
The boys decided to 'take a powder' as soon as they saw there was work to be done.
(..) It's a hundred foot drop. It's two hundred. - What's that for? - I'm digging a snow anchor. Okay. What if we fall? There's twenty feet of fresh powder down there. It'll be like landing on a pillow... Hopefully. Okay, Anna. On three. One...Okay. You tell me when... (..)2013 Frozen