(Nobirul   sk.  shot  video. N + M

Here are some popular viral hashtags on YouTube:

- _#viral_: A general hashtag for viral content.
- _#trending_: A hashtag for trending videos.
- _#challenge_: A hashtag for challenge videos.
- _#funny_: A hashtag for funny videos.
- _#gaming_: A hashtag for gaming content.
- _#music_: A hashtag for music videos.
- _#dance_: A hashtag for dance videos.
- _#comedy_: A hashtag for comedy sketches.
- _#viralvideo_: A hashtag for viral videos.
- _#youtubeshorts_: A hashtag for short videos on YouTube.
- _#shorts_: A hashtag for short videos.
- _#viralshorts_: A hashtag for viral short videos.

You can also use niche-specific hashtags like:

- _#gamingmontage_
- _#funnygamingmoments_
- _#musiccover_
- _#dancechallenge_
- _#comedy sketches_

Remember to keep your hashtags relevant to the content of your video, and use a mix of popular and niche-specific hashtags to reach a wider audience.