tin dog

Etymology
From +.

Noun

 * 1)  A noise-making device, often constructed ad hoc from materials to hand, used by a farmer to get sheep or cattle moving.
 * 2) * 2005 October 30, Bruce Simpson, interviewed on Landline, Australian Broadcasting Commission, transcript,
 * I was with the cattle on my own at that stage, and to get them going, I inserted a few stones in the quart pot and used that as a tin dog. It got the cattle moving.
 * , a disparaging term for canned meat.
 * 1) * 1993, Don Munday, Tin Dog, Damper and Dust, autobiography.