So great it makes you want to please Shrek.

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.

When some thing is the best ever

An action that is so holy and pure, that our great lord SHREK decides to send many blessings upon those who completed the action.

An adjective that you use when you are at a loss of words

Loving shrek