i-adjective
dislike; not like
Colloquial, grammatically incorrect negation of 好き. Used informally, often for humorous or emphatic effect. Not appropriate in formal contexts.
See also: 好き (すき)
あの映画、好きくない。
I don't like that movie.
勉強は好きくないけど、仕方ない。
I don't like studying, but it can't be helped.