fake tan noun2 •(UK) A substance, usually a lotion, cream, or oil, that contains chemicals which, when applied to the skin, react to give the appearance of a suntan. •(UK) Darkening of the skin as a result of using such a substance.See, I reckon you're about an eight or a nine Maybe even nine and a half in four beers' time That blue Topshop top you've got on, it is nice Bit too much fake tan, though, but yeah, you score high — 2004 formsfake tans