an informal, spontaneous discussion.
Origin of bull session
First recorded in 1915–20
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for bull session
informal, mainly US and Canadian an informal discussion, often among men
Word Origin for bull session
C20: from bull ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Idioms and Phrases with bull session
An informal discussion, as in College students love late-night bull sessions about anything and everything, from professors to poetry to politics. This expression originally referred to an exchange of opinions and anecdotes, including stories of sexual prowess, by men, and then came to be used more broadly. [Slang; c. 1915]
The American Heritage® Idioms Dictionary
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