Top definition
verb (i) usually vulgar: to speak for the purpose of one's one pleasure rather than one's audience; verbal masturbation.

Note: frequently accompanied in colloquial conversation by the "masturbation" hand gesture (vulgar)

Ex: After a half hour of ranting, it seems the Fox News commentator does not want to participate in a free exchange of ideas; all he wants to do is yack off.

See also:

Yack Off (n): one who continually yacks off

Ex: That Fox News commentator is a real yack off.
Ex: After a half hour of ranting, it seems the Fox News commentator does not want to participate in a free exchange of ideas; all he wants to do is yack off.
by Col Senf February 23, 2014
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