(archaic) off with someone's head

(simile) thoroughly defeated; thoroughly humiliated

downwards / from top to bottom, thoroughly

(figuratively, derogatory) dumbing down, lowering of the standards, reducing to the lowest common denominator, levelling down, race to the bottom, downwards harmonisation

(nautical, archaic) the hurried taking down of hammocks in a ship as preparation for imminent battle; action stations / (figuratively) flurry, uproar, bustle, commotion

ups and downs

plural of note de bas de page

footnote

(simile) like a rash, like a shot

(idiomatic, colloquial) get lost! (go away)