What does Billy-basher Billy-basher mean?

Billy-basher Billy-basher meaning in Urban Dictionary

The art of bashing a Billy. Considerable language for those who bash Billy(s).A Billy is a goat, tree-stump and sometimes even only some-one called Billy. The skill of bashing a Billy. Terminology utilized by those that bash Billys. A Billy may be a goat, a liqourice flavoured tree-stump or just some body called Billy.