When something is poorly done in an "individual style"

When a person or animal excreets.

Well, Bastardisation is a rterm given to the process of becomeing a bastard, or being a bastard, or even the term used to describe someone who has encountered the acts of a bastard.

To Utterely and Irreversably fuck it up in the way only a child born out of wedlock could ever do.

Being a bastared.

it simply means to make someone a bastard.

A copy of something done in their own style, usually crapper.