Green’s Dictionary of Slang

(US) something exceptional.

1850		W.C. Hall ‘Mike Hooter’s Bar Story’ in Spirit of the Times 26 Jan. (N.Y.) 581: He ’gin pickin’ up rocks an’ slingin’ ’um at the dogs like bringer! Cracky! didn’t he link it into ’um?
1908		DN III 294: Bringer [...] Used in several comparative phrases: ‘hot as bringer’, ‘cold as bringer,’ etc. [...] Give one bringer [...] To give one severe punishment, make it hot for one.