expression
Internet slang combining クソ (intensifier) and ワロタ (laughed). Used to express strong amusement online, similar to 'LMAO' or 'ROFL'.
あの動画見た?クソワロタw
Did you see that video? LMAO lol
友達の失敗談が面白すぎてクソワロタ。
My friend's story about their mistake was so funny I ROFLed.