1. present participle of cozy; making oneself comfortable and warm
2. trying to gain favor or become friendly with someone, especially for personal advantage
Usage: often used with ‘up to’

Examples

• She was cozying up by the fireplace with a good book.
• The cat was cozying in its favorite sunny spot.
• He’s been cozying up to the boss lately.
• They were cozying together under the blanket.
• The politician was cozying up to wealthy donors.
• We spent the evening cozying by the warm stove.