This a kind remark, meant to be good natured and humorous......Unlike the definitions put here. See the two existing versions of "funny papers" on this same site. This is exactly the same

An informal goodbye greeting. Usually used to indicate that the recipient is somehow defeated, unworthy, or left behind; hence their worthiness to appear only as a comic strip character in the funny pages.

an off handed remark about your sanity, or of someone else, or just the world in general. usually used as an understatement.