plouk or plook /plook/ (Scot)

1. A small lump or knob
2. A pimple, spot

• butter-bird
• butter-birds
• butter-biscuit
• butter-biscuits
• butter-boat
• butter-boats
• butter-box
• butter-boxes
• butter-bump
• butter-bumps
• butterbur
• butterburs
• butter cloth
• butter-cooler
• butter-coolers
• butter cream
• buttercup
• buttercups
• butter dish
• butter dishes
• butterdock
• buttered
• buttered eggs
• butterfat
• butterfats