to pour, pour out; to erupt, spit out, spurt out; to emit (an odour, sound, visual effect); pour out, pour forth (emotions); to flow, spread
“Ces dernières années, Sinead O'Connor s'épanchait sur les réseaux sociaux, menaçant ses anciens associés de poursuites judiciaires, décrivant ses problèmes de santé physiques et mentaux, partageant ses pensées suicidaires et ses relations compliquées avec sa famille.” — In recent years, Sinéad O'Connor poured her heart out on social media, threatening her former associates with lawsuits, describing her physical and mental health problems, and sharing her suicidal thoughts and her complicated relationships with her family.
Inherited from Old French espancier, from a Vulgar Latin *expandicāre, from Latin expandere.