Top definition
To release your rage upon something, be it the source of the rage or something you displace your anger upon.
After getting killed 126 times by the same enemy on the same level, Little Bobby whent spleen venting on his cat, and as a result was sent to a psychiatric institution.

or

Robert vented his spleen by smacking his sassy girlfriend in the same mouth that she used to talk back to him. He later joined little Bobby at the Institution.
by Vee Are Are Schee May 03, 2004
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