Not a blind bit - Idioms by The Free Dictionary
not a blind bit of (something) (redirected from not a blind bit)
not a blind bit of (something)
Not any amount of something. It makes not a blind bit of difference to me whether you do it now or this weekend—just get it done! I've been trying to show her I like her, but she hasn't paid any attention to my gestures—not a blind bit of notice.
not a ˌblind bit of ˈnotice, ˈdifference, etc.,
not the ˌblindest bit of ˈnotice, ˈdifference, etc. (British English, spoken) no notice, difference, etc. at all: She didn’t take a blind bit of notice when I asked her to stop. She walked straight past me.