you know what I mean
idiomDefinition of you know what I mean
informal
—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?