Whole nother may have evolved from another but experts are baffled so its true meaning remains unknown.
There is a whole nother room back there that hasn't been stepped in for about 7 years.
by BarneyTate February 28, 2014
Get the whole nother mug.
Refers to a subject that is vastly or categorically set apart from the previous subject.

Unique in the English language as one of the few 'infixes' (as opposed to prefix or suffix). Other infixes include re-fucking-diculous.
... so we were all sitting there butt naked,.. but that's a-whole-nother story.
by Dean William May 27, 2006
Get the a-whole-nother mug.
entirely different

"She wasn't fuckin' tonight, but the head was a whole nother story!"
by DBLAST August 23, 2006
Get the a whole nother mug.
adjective phrase: vastly different.

This developed around the 1990's. It was a superlative created to indicate how different one thing is from another. Whereas one could say "another story altogether" or "that's a wholly different story," the term "whole nother" seemed to develop to create a superlative of "another."
He went to school to be an engineer, but he changed to acting, a whole nother career.
by May 24, 2021
Get the Whole nother mug.
adjective phrase: vastly different.

This developed around the 1990's. It was a superlative created to indicate how different one thing is from another. Whereas one could say "another story altogether" or "that's a wholly different story," the term "whole nother" seemed to develop to create a superlative of "another."
He went to school to be an engineer, but he changed to acting, a whole nother career.
by May 24, 2021
Get the Whole nother mug.
Another way to say “a whole ‘nother story,” or when a new topic is on a different level or problem
Person 1: Yeah, she’s crazy.
Person 2: But what about that other girl?
Person 1: That’s a whole ‘nother book, man.
by SouthernScout December 6, 2020
Get the Whole ‘nother book mug.
When someone does something thing outlandishly brain baffling. That you just look at them with mental and visual concern
You see a homeless man getting beat by a 4yr

You say
"nah lil bro on a whole nother one
rn"
by Lamp Man or Lemur boy May 17, 2022
Get the On a whole nother one mug.