The mare was naturally very weak and almost in a state of collapse, so we gave her half a pint of neat whisky, rugged her up, and rubbed her all over with embrocation. 1913, VM/SAC, Veterinary Medicine & Small Animal Clinician Volume 8, page 677:
(Australia, informal, intransitive) To put on layers of warm clothes; to wrap up
To us, a rainy day may mean that we have to rug up and stay inside out of the elements, but the coming of a storm or the rising swell will find a mulloway that lives and feeds along the beaches, waiting around a river entrance for the mullet... 2005, Gary Brown, Beach and Rock Fishing: