Someone who wears Christianity like makeup... to hide the ugly person they really are.
Did you hear Leslie preaching the gospel right after cussing Allen behind his back? Yea...She's such a Lipstick Christian.
by Big CU December 19, 2006
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A person who uses Christianity as a facade. As skin deep as lipstick.

Also, as in "To lipstick a pig", in order to appear more pious with the least amount of effort.
Oh never mind him, he's a lipstick Christian, he only prays for fast cars and shiny women.
by WannabeU July 6, 2016
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