guck /guk/ (esp N American; slang)

1. Slimy, gooey muck
2. Anything unpleasant or unappealing

• lumber-mill
• lumber-mills
• lumber-pie
• lumber-pies
• lumber room
• lumber rooms
• lumbers
• lumbersome
• lumbersomeness
• lumbersomenesses
• lumber-yard
• lumber-yards
• lumbrical
• lumbricalis
• lumbrical muscle
• lumbricals
• lumbrici
• Lumbricidae
• lumbriciform
• lumbricoid
• lumbricus
• lumbricuses
• lumen
• lumenal
• lumens