Someone left the cake out in the rain. 

Used to refer to an eccentric person or idea. A reference to the song "MacArthur Park," one of oddest songs ever written.

John: My next door neighbor thinks little green men control the government through mind control.

Paul: Someone left the cake out in the rain.

Someone left the cake out in the rain. by devil doll October 20, 2009

Someone left the cake out in the rain 

Use to refer to a person with swamp ass or a visible wet spot on their ass (cake). Based on the song Used to refer to an eccentric person or idea. A reference to the song "MacArthur Park” by Donna Summer.

Greg: sees a person with swamp ass Someone left the cake out in the rain.

Someone left the cake out in the rain by Dogenero September 22, 2022