Cleans thoroughly

• Does a deep-cleaning
• Does a kitchen job
• Uses steel wool, say
• Uses elbow grease
• Turns inside out, so to speak
• Hunts diligently
• Cleans the cookware
• Searches carefully
• Works on pans

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 )