guck /guk/ (esp N American; slang)

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

• pierceable
• pierced
• piercer
• piercers
• pierces
• piercing
• piercingly
• piercingness
• piercingnesses
• piercings
• pier glass
• pier glasses
• pierhead
• pierheads
• Pierian
• pierid
• Pieridae
• Pierides
• pieridine
• pierids
• Pieris
• pierogi
• pierogies
• pierrette
• pierrettes