—used to suggest that the hearer agrees with and understands what has been said or to ask whether he or she does
I grew up there, you know what I mean, so I know what it's like.
He's kind of strange. Do you know what I mean?
He's kind of strange, if you know what I mean.—sometimes used in the shortened form know what I mean
He's kind of strange—know what I mean?
Love words? Need even more definitions?Merriam-Webster unabridged