What is ice cream social slang?

Excuse me, could you please clarify what exactly is meant by the term 'ice cream social slang'? Is it a specific phrase or jargon used within the ice cream industry, or is it perhaps a colloquial expression that's popularly used to describe something related to social gatherings where ice cream is served? I'm curious to know if this term holds any particular significance or meaning in today's culture, especially among those who frequent ice cream-themed social events.