Thomas the Skank Engine

Oh dear, you're very dirty Dirt on the tracks I'm the dirtiest of all You're dirty too Dirt on the tracks Oh dear, you're very dirty Dirt on the tracks I'm the dirtiest of all Oh dear, you're very dirty Oh dear, you're very dirty Dirt on the tracks I'm the dirtiest of all You're dirty too Dirt on the tracks Oh dear, you're very dirty Dirt on the tracks I'm the dirtiest of all You're dirty too Dirt on the tracks Oh dear, you're very dirty Dirt on the tracks I'm the dirtiest of all You're dirty too Dirt on the tracks Oh dear, you're very dirty