The puzzle included in this post encodes the location of PuzzleNight bonus night, which happens Tuesday, April 21st starting from 6:30pm!
-Hint added 4/17/2015.
The puzzle should result in a unique location that is probably google-able.
This post will be updated with hints in a few days, which should make the puzzle easier.
The location of PuzzleNight will then be released publicly in a week, so you can verify your answer (or just skip the puzzle).
If there are any issues with the puzzle or location, email puzzlenighttwincities@gmail.com!
Need a hint?
Hint: The description that the letters from the idiom completions give you applies to just SOME of the idioms – focus on these for an acronym and a word (which together should lead to your location)
Solution: Fantasy Flight Games Center in Roseville. They have food and drink and boardgames, and Puzzle Night will bring the puzzles.