Positive Body Language

noun A facial expression formed by flexing the muscles around the eyes and mouth, often indicating happiness or amusement

• She greeted everyone with a warm smile as they entered the room.
• Whenever she sees her crush, she can't help but smile from ear to ear.
• His cheesy pickup lines always make her smile, no matter how bad they are.
• The thought of her upcoming vacation made her heart smile with anticipation.

adjective having well-shaped buttocks

• The callipygian statue was a masterpiece of classical art.
• She's known for her callipygian figure.
• Check out that callipygian booty!
• His callipygian writing style is a joy to read.