1. Expression of pain
   - ouch

Encyclopedia: Ow Ow, My Balls Hurt

• 1950s
• 1960s
• 1970s
• 1980s
• 1990s
• 19th
• 1st
• 1st Baron Beaverbrook
• 1st Baron Verulam
• 1st class
• 1st Earl Attlee
• 1st Earl Baldwin of Bewdley
• 1st Earl of Balfour
• 1st lieutenant
• 1st Viscount Montgomery of Alamein
• 1st-class mail
• 2
• 2 Chronicles
• 2 Esdras
• 2 Kings
• 2 Maccabees
• 2 Samuel
• 2-dimensional
• 2-hitter
• 2-hydroxybenzoic acid