DuckDuckGo bangs are just shortcuts to redirect your search to another search engine. My personal favorites:
- !gnomebugs — Runs a search on GNOME Bugzilla. Especially useful followed by a bug number. For example, search for ‘!gnomebugs 100000’ and see what you get.
- !wkb — Same thing for WebKit Bugzilla.
- !w — Searches Wikipedia.
There’s 6388 more, but those are the three I can remember. If you work on GNOME or WebKit, these are super convenient.