I am sure it's not that hard to write a greasemonkey script to do that for you automatically, but I tend to like the feature, especially when I fat finger queries with my cell phone.
If you're using Chrome's omni bar to search, you can permanently append that query parameter in the search engine settings in the preferences to avoid having to specify it explicitly.
You can add as many parameters as you want [1]. I use complete=0 to disable suggestions (I don't need/want them) and hl=en to force the interface language to be in english
For example:
http://www.google.com/search?q=college+or+uncollege&nfpr...
I am sure it's not that hard to write a greasemonkey script to do that for you automatically, but I tend to like the feature, especially when I fat finger queries with my cell phone.