From WordNet (r) 3.0 (2006):
scrag
n 1: a person who is unusually thin and scrawny [syn: thin
person, skin and bones, scrag] [ant: butterball,
fat person, fatso, fatty, roly-poly]
2: lean end of the neck
3: the lean end of a neck of veal [syn: scrag, scrag end]
v 1: strangle with an iron collar; "people were garrotted during
the Inquisition in Spain" [syn: garrote, garrotte,
garotte, scrag]
2: wring the neck of; "The man choked his opponent" [syn:
choke, scrag]