Quick Blocker
Lets you quickly block posters by ID on /biz/ /pol/ /qst/ and /soc/
Info
This script adds a 
button near all posts, which can be used to hide all posts by a single user within a thread. This script is mainly designed to help deal with spambots.
Requirements Before Installing
- Firefox with Greasemonkey or Chrome/Chromium with Tampermonkey