Uses a scrub brush

• Turns inside out, so to speak
• Goes through with a fine-tooth comb
• Looks high and low
• Uses elbow grease
• Uses steel wool, say
• Diarrhea in livestock
• Scrubs, as pots

WordNet Word definitions in WordNet
n. diarrhea in livestock

Wiktionary Word definitions in Wiktionary
n. 1 (context veterinary medicine English) diarrhea in horses and cattle caused by intestinal infection. 2 (context dated English) A place where wool was washed and cleaned. vb. (en-third-person singular of: scour )