４よ６ろ４し９く

expression, adverb

best regards; pleased to meet you; please take care of

Slang numeric rendering of よろしく, used in casual messages, social media, or text chats. Carries the same range of greeting and request nuances as the standard word.

See also: 宜しく

• 新あたらしいグループのみなさん、４６４９！

  Everyone in the new group, pleased to meet you!

• 明日あしたの準じゅん備び、４６４９ね。

  Please take care of the preparations for tomorrow.