(Informal) A lazy person.
ETYM Old Eng. slugge slothful, sluggen to be slothful; cf. LG. slukk low-spirited, sad, Eng. slack, slouch, Dutch slak, slek, a snail.
Obsolete unit of mass, equal to 14.6 kg/32.17 lb. It is the mass that will have an acceleration of one foot per second when under a force of one pound weight.
Unit of gravitational mass of approximately 32.174 pounds.