DOG

An old dog at it; expert or accustomed to any thing. Dog in a manger; one who would prevent another from enjoying what he himself does not want: an allusion to the well-known fable. The dogs have not dined; a common saying to any one whose shirt hangs out behind. To dog, or dodge; to follow at a distance. To blush like a blue dog, i.e. not at all. To walk the black dog on any one; a punishment inflicted in the night on a fresh prisoner, by his comrades, in case of his refusal to pay the usual footing or garnish.