The act of writing everything you know on a test or exam - usually followed by a feeling of heavy relief or fatigue.
by LOL404 June 14, 2011

A nugget of golden wisdom that someone graciously gives you from their mouth to your ears. Also to be exclaimed after dropping said knowledge biscuit.
"I just dropped a knowledge biscuit on your ass."
"Dude did you know Hitler had a huge farting problem? KNOWLEDGE BISCUIT!"
"Dude did you know Hitler had a huge farting problem? KNOWLEDGE BISCUIT!"
by iamahab April 15, 2012

just like 'selective hearing', but with regards to having knowledge. Admitting or not, to having that knowledge, as one seems fit.
Linda was trained on each part of her new job. However, she forgot part B, so she claims she wasn't trained for it. She's using 'selective knowledge' to cover her ass.
by MugWumpy November 14, 2010

by Captain Audacity October 13, 2008

girlfriend *interrupting/just making a statement* : "drinking and getting behind the wheel is pretty stupid"
boyfriend *aggravated* "well, yeah... that's no-shit-knowledge..."
boyfriend *aggravated* "well, yeah... that's no-shit-knowledge..."
by grybenz July 13, 2018

The act of transferring ones knowledge to another through semen, by direct ejaculation into the tranferies mouth, the recipient musty then swallow to complete the knowledge transfer.
Derrick finally past his math class because he got a knowledge transfer from his father who is an engineer!
by sheriffwayne August 31, 2013

by OY!@#@! January 21, 2009
