feathering a nest (verb) furnish: decorate, supply
Sinonime: belligerent, combative, contentious, contrary, controversial, disputatious, eristic, factious, fire-eating, having a chip on one's shoulder, litigious, opinionated, polemical, pugnacious, quarrelsome, salty, scrappy, spiky, touchy
Antonime: leave plain, unfurnish