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.
(..) Go ahead. Each one is carrying a kilo of drugs. I need you to arrest them and collect the substance. I'll need it later. What form of these drugs in? Bars? Capsules? Powder, hidden in plastic pouches inside their intestines. Excuse me? Make sure to be careful when you remove them. Believe me. Yeah. (..)2014 Lucy
(..) OK! OK! OK! - OK! OK! Please God, help me. He wants you to hurry up, Mr. Jang has other things to do. It's plastic pouches filled with blue powder like a... or maybe a purple powder? I don't know, it looks gross. A job? I don't want a job! This is where life we know it begins. (..)2014 Lucy