also: よっしゃー
Colloquial interjection expressing understanding, agreement, or readiness. Often used when one has grasped something or is about to start an action. Similar to よし, but more casual and energetic.
「これ、お願いね。」「よっしゃ、任せて！」
"Can you handle this?" "Gotcha, leave it to me!"
よっしゃ、やるぞ！
Alright, let's do this!
Emphatic or drawn-out variant, often used in casual writing or manga.
Emphatic katakana variant, often used in manga or casual writing.
Colloquial variant of よし, with emphatic gemination and sometimes a prolonged final vowel.