The phrase is "something is rotten in the state of Denmark"
Something that smells rotten in Denmark is probably fish (given that Lego is plastic and doesn't rot, and the little mermaid is made of bronze so is also not able to rot).
The phrase is "something is rotten in the state of Denmark"
Something that smells rotten in Denmark is probably fish (given that Lego is plastic and doesn't rot, and the little mermaid is maid of bronze)