mellow out
verb1
Informal To become mellow or to soften in intensity (such as a smell, emotion or sound), or to change from uptight to relaxed.
verb
Informal To become mellow or to soften in intensity (such as a smell, emotion or sound), or to change from uptight to relaxed.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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