Definition of get it out of one's system
1 : to do something that one has been wanting to do so that one no longer feel a strong desire to do it You keep talking about making a cross-country trip. I think you just need to do it and get it out of your system.
2 : to get rid of a strong emotion (such as anger) by doing something He really angered her, so she went for a walk to get it out of her system.
Love words? Need even more definitions?Merriam-Webster unabridged
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