Definition of anythink in English:

anythink

Pronunciation /ˈɛnɪθɪŋk/

pronoun

(also any think)
dialect, non standard
  • Anything noun.

Origin

Late 18th century; earliest use found in James Elphinston (1721–1809), educationist and advocate of spelling reform. Representing a regional or nonstandard pronunciation of anything [noun].