conjunction
Internet slang abbreviation of ちなみに. Used casually in online chats and social media to add a related remark or change the subject slightly.
See also: ちなみに
明日のイベント、楽しみだね。ちな、集合時間って何時だっけ?
I'm looking forward to tomorrow's event. By the way, what time are we meeting again?
そのゲーム、めっちゃ面白いよ。ちな、今セール中だって。
That game is super fun. Incidentally, I heard it's on sale right now.