Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Defination of a best friends..!!! \n\na person who opens his mouth just to #insult yu..!! :D :D :D
This tweet contains emotions: 
anger, disgust, joy