Okay...it's not a cocktail party in the sense that we all dress up and mingle while trying to juggle small plates and glasses.
It's more along the lines of 'if we mix these things together, does the drink explode? Do i explode if i drink it?'
I expect mess. Don't wear something you'd rather not get spilled on.
Also: non-drinkers are still welcome...only those who want to participate in the drinking need to brink something for the drinking. However, ppl who partake of the cocktails and don't bring ingredients will be frowned upon and possibly hurled upon (or off the balcony).