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Who the fuck?

As seen on reddit

Replace all horde alerts, friendly fire alerts, witch alerts etc with WHO THE ♥♥♥♥ _____

How to install (important):

1. Go to your Left 4 Dead 2 folder (right click l4d2 in your library and click "show local files")
2. Create a folder called whothefrick
3. Navigate to left4dead2/addons/workshop
4. Find the file named 2915395841.vpk
5. Move the file to the whothefrick folder you created earlier
6. Rename the file to pak01_dir.vpk
7. Go back to your left4dead2 folder and open a file called gameinfo.txt in any text editor (NOT WORD)
8. Add the following line to the bottom of the file between update and left4dead2_dlc3
9. Save the file
10. Done!

You have to repeat these steps if the mod is updated, unfortunately.

If you're unsure where to place the code in gameinfo.txt, check the pictures on this mod's workshop page.