๐๐ป represents person pouting: light skin tone, usually shown as a person with a sulking face.
This usually means feeling annoyed, sulky, or frustrated. It is commonly used for showing 'hmph' energy or mild dissatisfaction.
For example, use it for 'I'm still waiting ๐๐ป' or 'That's not fair ๐๐ป'. It also fits reactions to minor setbacks or playful pouting with friends.