π€·πΌ: person shrugging: medium-light skin tone, shown with raised shoulders and open palms.
This usually means not knowing, not caring, or just going with the flow.
In chat, use it for 'who knows?' or 'whatever'. For example: 'I have no idea where the keys are π€·πΌ' or 'It is what it is π€·πΌ'.