Synonyms for Scrag (same or very similar meaning)
WordNet sense 1 (a person who is unusually thin and scrawny):
thin person, skin and bonesWordNet sense 2 (the lean end of a neck of veal):
scrag endWordNet sense 3 (strangle with an iron collar):
garrote, garrotte, garotteWordNet sense 4 (wring the neck of):
chokeFrom the ODE community, based on WordNetadd/edit