primate discipline 

Literally, monkey-spanking; by extension, any repetitive exercise bearing no foreseeable benefit to mankind.

How can we get anything done with all this primate discipline going on?

primate discipline by Zappin' Nap December 17, 2019

disciplining the primate

Male masturbation. A more respectable derivative of "spanking the monkey".

Larry was late to work today because he was up all night watching Cinemax and disciplining the primate.

disciplining the primate by SB17 August 29, 2006