(Do you) know what I mean?

(Do you) know what I mean?

Do you understand what I'm saying or alluding to? I feel bad canceling plans with people, but I've just been so exhausted lately. Do you know what I mean? If Jen didn't come home last night, I bet she and Bill were preoccupied with some extracurricular activities, know what I mean?
See also: know, what
Full browser ?