うぽつ
Japanese
Etymology
Abbreviation of うp乙 (upu-otsu). Popular on Niconico Video since 2011 ([1]), although it is from before then.
Phrase
うぽつ • (upotsu)
- (Internet slang) Thank uploader for uploading the video.
Usage notes
The term of gratitude is often seen in danmaku at the beginning of a video on websites such as Niconico Video.