
1) Internet slang
Found on
https://www.crosswordclues.com/clue/banhammer

The term banhammer (sometimes referred to as the banstick or banbomb) began as a satirical term for the power wielded by an administrator to ban or block users of internet forums, wikis, online games, or other internet media. The term is often used as a nickname for the actual anti-cheating software in video games that performs the banning action....
Found on
http://en.wikipedia.org/wiki/Banhammer
No exact match found.