Emotions is an option available in third-person view. Pressing the Y button on your controller brings you into the third-person mode. Holding the D-pad while in third-person mode gives you a variety of emotions like angry, sleepy, sad, happy, and more similar to selecting Blocks in the first-person view. This is a way to give out non-verbal communication to other clients on a server.
All of the emotions are the following: (in order, first is the top of the wheel, then goes in clockwise direction)
|Surprised||Gasp; hand raised|
|Angry||Clench fists, stomp foot|
|Love||Clapping; happy body language|