vent one’s spleen

vent (one's) spleen

To voice one's anger. Mom's been venting her spleen to me for an hour already. Apparently, Aunt Marie has wronged her yet again.
See also: spleen, vent
Farlex Dictionary of Idioms.

vent one’s spleen

tv. to release one’s anger. I just feel like I have to vent my spleen at somebody.
See also: spleen, vent
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • spleen
  • vent (one's) spleen
  • vent one's spleen
  • vent spleen
  • vent your spleen
  • relieve
  • relieve (one's) feelings
  • relieve your feelings
  • need to vent (to someone)
  • erupt from