"Hysterical joint" is a phrase that might seem unfamiliar to many. However, synonyms for this term can shed some light on its meaning. One alternative could be a "riotous gathering", which implies a boisterous and uproarious event filled with excitement and jubilation. Additionally, a "rollicking rendezvous" can be used to describe a lively and animated social gathering. Similarly, an "uproarious union" suggests a gathering filled with laughter and hilarity. On the other hand, a "mirthful assembly" indicates a collective gathering that is full of joy and amusement. These synonyms for "hysterical joint" capture the essence of an energetic and spirited occasion, providing a clearer understanding of the original phrase.