preminiscing

Imagining the fun, clever, insightful things you're going to say at a later event. You will recount a tale, theory, thing you read on the internet with the depth, clarity and gravitas of a Shakespearean actor. The circle of fashionable, well-intentioned people around you will chuckle, agree and congratulate your wisdom. The one you sort-of fancy will will give you a "knowing look". All will be well. Things will definitely go down exactly like this. For sure. Yep. See also: winning the argument in advance