1. A nice person who tries to be a 'Social Butterfly', i.e. someone with the ability to be sociable or friendly with everyone, flitting from person to person in the way a butterfly might, but in a misguided attempt to be cool ends up knocking over everybody's drinks and being sick on the carpet.

2. A shitty person who claims to be a 'Social Butterfly', i.e. someone with the ability to be sociable or friendly with everyone, flitting from person to person in the way a butterfly might, but who is actually two-faced about it and tramples over people's feelings in order to achieve popularity.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

when you are very social but are too big to be considered a butterfly!