A cover version of something, most commonly used as a musical term.  Used to describe a 'song' as worse than the original or any predecessor.
That bastardisation of 'Stairway to Heaven' is awful.
by Ingram January 8, 2004
 Get the Bastardisationmug.
Get the Bastardisationmug. "In a chav's household you may even catch sight of a mangy cat bastardising under the dining room table!"
by Leanne March 16, 2005
 Get the bastardisingmug.
Get the bastardisingmug. 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.
by Fish May 24, 2004
 Get the Bastardisationmug.
Get the Bastardisationmug. I was having an intimate moment with the maid when Bob the Bastard entered with my wife and totally bastardised my night.
by ///Lee July 2, 2008
 Get the Bastardisemug.
Get the Bastardisemug. by Dannyisjesus December 28, 2005
 Get the bastardisemug.
Get the bastardisemug. by derick nobcheese December 5, 2003
 Get the Bastardisationmug.
Get the Bastardisationmug. 