Informal Used as an intensive: Don't be so all-fired aggressive. (adverb)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "all-fired" in a sentence
"Don't know what was up with me when I asked her, but it was a long while back, and I was all-fired young --"
"Because, Bill, you got such an all-fired pretty wife, that's why."
"I think I'd begin, though, with those who believe they have "outed" me, imagining they're so all-fired clever when doing so, while cowering behind their own masks the while."