dog egg

Etymology
Probably popularised by the magazine Viz and its spin-off  books. Compare the Australian slang, attested earlier.

Noun

 * 1) A lump of dog faeces.
 * 2)  A worthless or contemptible thing or person.
 * 1)  A worthless or contemptible thing or person.
 * 1)  A worthless or contemptible thing or person.
 * 1)  A worthless or contemptible thing or person.