know from nothing
not know from nothing
To be completely ignorant or uninformed (about something). Don't ever second-guess my judgment again, you hear me? You don't know from nothing! Don't mind her, Phil. She doesn't know from nothing.
See also: know, not, nothing
Farlex Dictionary of Idioms.
know (or not know) from nothing
be totally ignorant, either generally or concerning something in particular. North American informalSee also: know, nothing
Farlex Partner Idioms Dictionary
- doesn't know beans
- come it
- come it (with one)
- all in (one's) head
- (I) don't mind if I do
- don't get me wrong
- a sob story
- don't bet on it
- don't give up the ship
- don't beat a dead horse