brainwanking
Any intellectual/academic discussion meant more to show off the intelligence of the speaker than to prove a point or educate anyone listening.
Freudian literary criticism is pretty useless, to be honest; eventually they stop talking about literature entirely, in favor of pointless brainwanking.
brainwank
The act of producing and communicating (in speech or writing) entirely expendable, untenable, unrealistic, baseless and often complacent ideas on all sorts of topics.
A: Have you by any chance read Erich von Daeniken’s ´Chariots of the Gods`, in which he claims the tomb of Mayan king Pakal actually depicts an astronaut in his spaceship?
B: Yeah, man. Daeniken clearly is the Charlie Sheen of brainwanking.
B: Yeah, man. Daeniken clearly is the Charlie Sheen of brainwanking.