A type of thought experiment or task that is pointless and stupid but seems like it could be useful if its entire purpose wasn't to impress gullible people or deride people for being grounded.
Elon Musk likes mentally rotate objects in his mind. He talks a lot about how he'd like start a colony on mars, but its all mental rotation - there are lots of inhospitable places on earth to trial out such technologies but he's not interested in solving problems, just marketing.
by Thurgalicious September 1, 2023
Get the Mental Rotationmug. by Mx-yz-pt-lk May 24, 2017
Get the Rotate Dat Buttmug. by SonicH7890 December 15, 2021
Get the Death Rotationmug. 
Flock Rotation is a method employed by an individual to ensure that no friendship group gets bored of their company or behaviour.
Having drained one set of friends, s/he moves to the next, leaving each group enough time to forget just how annoying they are.
Having drained one set of friends, s/he moves to the next, leaving each group enough time to forget just how annoying they are.
by Platinumtool April 22, 2019
Get the Flock rotationmug. by oharu April 22, 2017
Get the fuckin up rotationmug. by Milkaholic October 16, 2019
Get the Rotatemug.