also: めっっちゃ · めっっっちゃ · めっっっっちゃ
adverb
very; really; super; extremely
Colloquial intensifier used mainly in casual speech, especially in Kansai dialect but now widespread among younger speakers. Similar to とても but more emphatic and informal.
このラーメン、めっちゃおいしい！
This ramen is super delicious!
昨日のテスト、めっちゃ難しかっ
Yesterday's test was really hard.
あの映画、めっちゃ泣けた。
That movie made me cry so much.
Derived from the Kansai dialect, likely a contraction of めちゃくちゃ (messy, absurd) used as an intensifier. The exact derivation is uncertain, but it became popular nationwide through media and youth culture.