also: わらた
Internet slang derived from 笑った (waratta, 'I laughed'). Used in casual online communication to express laughter, similar to English 'LOL' or 'haha'. The ロ/ラ variation is a playful spelling shift.
あの動画見た？ワロタｗ
Did you see that video? LOL.
Haha, I didn't expect that punchline.
Most common internet slang spelling; katakana is typical for this expression.
Variant spelling with ラ instead of ロ; less common but still used.
Hiragana variant with ら; less common.
Internet slang based on わろうた, a colloquial or dialectal form corresponding to 笑った “laughed.” It became widely used online as an expression of amusement.