Related Clues:

• St. Patrick's Day mo
• Spoil the planet, endlessly
• Pollute nearly all the planet
• Vandalize, maybe
• Spoil most of the planet
• Scratch, perhaps
• Corona del ___, California
• Impair — regularly?
• Put a chip in, say
• Make surface blemishes
• Slight injury of a supporter is no different
• Mum on run hurt
• Mo. before April
• Irish-American Heritage Mo
• What’s regularly used for impair?