Pompey Word Art › Mush Image 1 of 6 Image 2 of 6 Image 3 of 6 Image 4 of 6 Image 5 of 6 Image 6 of 6 Mush from £12.99 Mush is a slang way of addressing someone. Size: Select Size A4 Pink A3 Pink A2 Pink A4 Navy A3 Navy A2 Navy A4 Orange A3 Orange A2 Orange Quantity: Add To Cart Added! Mush is a slang way of addressing someone.