1. To speak in a severely critical, disparaging, or insulting way about someone or something. A noun or pronoun is used between "trash" and "out." You didn't have to trash out my idea like that during the meeting, Tom. The incumbent senator has been trashing her opponent out in the papers recently.
2. To dirty or pollute some area or space with trash or as if with trash; to make a real mess of some place. A noun or pronoun is used between "trash" and "out." People have been trashing out the park in our neighborhood recently. You can have some friends over while we're gone, but don't trash the house out!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.