It's actually spelled with a Z, not an S. Irony is ironic though*Bastardised
See the irony there?
bas·tard·ize
ˈbastərˌdīz/
verb
past tense: bastardized; past participle: bastardized
- 1.
corrupt or debase (something such as a language or art form), typically by adding new elements.
"a strange, bastardized form of French"
synonyms:adulterate, corrupt, contaminate, weaken, dilute, taint, pollute, debase, distort
"it is unthinkable that I would bastardize my values" - 2.
archaic
declare (someone) illegitimate.
"to annul the marriage and bastardize the child"