What does this symbol mean?


Can anyone please let me know what this is supposed to mean? I heard that it’s
a sound effect or sfx like Japanese symbol, but I’m not sure. Thank you!
![enter image description here](https://i.stack.imgur.com/5isSM.jpg)




It's three distorted small-tsu's in katakana (`ッッッ`), which is like `!!!`.

Related:

  * [What does the little っ (tsu) signify when at the end of a word?](https://japanese.stackexchange.com/q/1457/5010)
  * [How would I indicate yelling when writing Japanese?](https://japanese.stackexchange.com/q/69948/5010)

