Girl's Life v Boy's Life: "Do you Know When to Shut Up" vs "Jokes to impress"

[Brainspore]

@Medievalist

But until you define “align themselves” I can’t do it, because that word’s too slippery.

In the case of a political party “align themselves” means to either A) register as a member of or B) self-identify as a member of that party. Clear enough?