A synonym for the word "failed". The usage originated in 2008 when New Hampshire allowed Hillary Clinton to win the primary, thus failing the country.
"Dude, you completely missed that goal."
"Yeah, I New Hampshired, sorry..."
Used in reference to the 2008 Democratic primary in New Hampshire. In that election voters supposedly lied about who they voted for, and skewed the polls.
She said she wanted to go to the prom, but at the last minute, I got New Hampshired.