Democrats are trying to raise indignation over GOP presidential candidate Herman Cains nickname for House Minority Leader Nancy Pelosi (D-Calif.) — and possibly raise some money off it.

The Democratic Congressional Campaign Committee on Thursday included in its weekly email to supporters a note calling Cain out for referring to the former House Speaker as Princess Nancy.” Recipients were invited to sign a petition denouncing Cains comment.

That’s outrageous. As the first and only woman Speaker of the House, Nancy Pelosi has spent decades standing up for women and fighting for the middle class, DCCC Executive Director Robby Mook wrote in the email. She earned the Speaker’s gavel.

The email also included a contribute button so supporters could make donations to the committee.

During a CNBC debate Wednesday for GOP presidential candidates, Cain was asked how we would replace President Obama’s healthcare reform law, and accused Pelosi of burying an already-introduced measure to repeal it.

We didn’t hear about it in the previous Congress [when Pelosi was Speaker] because Princess Nancy sent it to committee and it stayed there, it never came out, Cain said.

He later apologized to Pelosi, but noted that she had also used harsh terms to refer to the Tea Party.

— This post was updated at 7:47 p.m.