1. An outstandingly good thing or person
   - dog's bollocks

Encyclopedia: Bee's knees

• magnum opus
• magnus hitch
• magpie
• Magritte
• maguey
• magus
• Magyar
• Magyarorszag
• Mah-Jongg
• Maha
• Mahabharata
• Mahabharatam
• Mahabharatum
• mahagua
• Mahalia Jackson
• Mahan
• maharaja
• maharajah
• maharanee
• maharani
• Maharashtra
• maharishi
• mahatma
• Mahatma Gandhi
• Mahayana