I "smooshed" enough to get all the minifigs I was looking for in the current series, but I decided I can't keep doing this, and thought there must be a better way. Well I think I'm on to something.
As an avid tea drinker, I own a small gram scale. Theyre available on amazon for like $10.
Scribbly face Cop: 10.4 grams
Angry usiness man: 10.1 grams
Lincoln: 10.9 grams
No pants guy: 10.9 grams
Barista: 10.1 grams
Those are what they weigh in the bag with all their accessories, booklet, and stand, as they will be in the store. I'll try to weigh the rest of the ones I have later. For it to really work, you'd need to have the weights of all of them, which I won't have. I'm hoping if anyone else has a scale at home, we could compile a complete list, and also verify that my measurements are correct. It's not fool proof, because some do have matching weights, but it will take a lot of the guess work out and leave you with only a few bags that need smooshing. It could be fool proof with a more accurate scale.. Mine only measures to the 10th of a gram.