A "Mifarma" is the other half of a "Crisol". It's part of a pact between two friends meaning that no matter what they will always be there. One person is a Mifarma and the other a Crisol, by giving each other that name you are agreeing to an unconditional friendship which can not be broken by any mean.

the thing that you don’t have when you’re phones percentage is over 20