Bastardization

[Merna]

The process of making something [illegitimate]
The process of bringing something to a form which is not as good as the one it was [in before], i.e. the language [glorified] by urbandictionary.com

[Kai]

when [someone] makes [something] more [douche-like] than it was before

[Donald Trump]

The act of [changing] a word to [suit] [your own] needs.

[Hina Muqadas]

The [corruption] that occurs to something when [it it] gets [tainted] by something else.

[Renato]

See [ODB] and his having [20] [different] kids by that many different women.