All sauced up; when you're well dressed and or your outfits or style is so on point and matches the moment or occasion.

All sauced up :- When you’re prepared, well guarded and ready to get into activities.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.