Чурбачок is a diminuitive form of чурбан.
Чурбан is a block, a piece of wood used to chop wood.
На чурбачок его ставь. - Put it on the block.
July 5, 2015
The diminutive for чурбан, fool or insensitive person. What's the context?
July 4, 2015
Chopping block it is. In Russian it is normally a whole section of the trunk of a tree and does not apply to cutting boards or anything else. As such it is not commonly used.
Чурбан is also a derogatory name for immigrants from certain countries in the Caucasus region.