verb-intransitive. To squat close to the ground; crouch. Usually used with down: hunkered down to avoid the icy wind. verb-intransitive. To take shelter, settle in, or hide out. Usually used with down: hunkered down in the cabin during the blizzard. verb-intransitive. To hold stubbornly to a position. Usually used with down: "As the White House hunkered down, G.O.P. congressional unity started crumbling” ( Time). n. The haunches.