わろた

わろた
interjection
LOL; laughed (internet slang)
1. LOL; I laughed; that's funny
internet slang derived from (わら)った (waratta, 'I laughed'); originated from 2channel/online bulletin boards; equivalent to English 'LOL'
マジわろた
LOL for real
この動画(どうが)わろた
This video made me laugh / LOL at this video
友達(ともだち)返信(へんしん)面白(おもしろ)すぎてわろた
My friend's reply was so funny I LOL'd.

INTERNET SLANG:
わろた originated on Japanese internet forums (2channel) in the 2000s. It's a playful corruption of (わら)った (waratta, 'I laughed').

VARIATIONS:

  • わろた (standard)
  • ワロタ (katakana)
  • ワロス / わろす (older variation)
  • (くさ) - newer equivalent meaning 'LOL' (from www looking like grass)

USAGE:
Primarily used in online text communication (social media, messaging, forums). Expresses amusement in a casual, somewhat ironic way.

REGISTER:
Very casual internet slang. Not used in formal writing or professional contexts.