Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: Sometimes he likes to ride arround on people's shoulders or drop on them unexpectedly from vents or doorjambs. Like a big, gleeful spider.
This tweet contains emotions: 
disgust, joy