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

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.