1. An ironic thank you
   - thanks a lot 
2. An emphasized thank you
   - many thanks, thanks a lot

Encyclopedia: Thanks a million

• limicoline bird
• liminal
• limit
• limit point
• limitary
• limitation
• limited
• limited audit
• limited company
• limited edition
• limited liability
• limited review
• doty
• Douala
• Douay Bible
• Douay Version
• Douay-Rheims Bible
• Douay-Rheims Version
• double
• double agent
• double back
• double bar
• double bass
• double bassoon
• double bed