When you're having a conversation with someone and the insanity falls like rain; Typically, a situation where you are on the receiving end of someone "going off" about issues that you can't do anything about, typically involving an unstable person who had difficulty modulating the level, and octave, of their voice.
Said to a friend, regarding a conversation where someone has just incoherently ranted for a long period of time and in multiple octaves about ideas that had no logical connection:

"Wow I didn't expect to get all insaned on."
by Cynai & Neil Neil Sex Appeal November 20, 2006
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The definition of insanity, is, doing the exact same fucking thing over and over again, expecting shit to change. That. Is. Crazy.
'Did I ever tell you the definition, of insanity?'
by Vaas Montenegro December 30, 2012
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numerically defined in NewYork of Year2020 as:

888.209.8124

Repeating the same sequences of events expecting a different outcome.

In New York State of Year2020, COVID-19 pandemic surged in NY along with major cities worldwide. NYS endured mass unemployment encountering an overload to their Unemployment Insurance, exascerbating the outdated flawwed system, crippling their phonelines, with incessant call-ins of claimants' issues all day; every day; every week, hoping to reach a human voice on the other end, only to consistently and repeatedly disconnected due to unavailable representatives. Yet, many persisted madly dialing robotically 888-209-8124.
The unemployed New Yorkers of 2020 occupied their social distancing routines with INSANITY.
by lAmUrban April 11, 2020
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Meaning Awesome, Incredible, extraordinary, etc. Used in mostly the 70s and the 80s. Positive connotation. Used as an adverb modifying only adjectives. This word does not find its way in modern speak much anymore.
Insanely Awesome!
Insanely Fast!
by Syntax Error May 21, 2008
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Insanity isn't deciding to do what the sane man does not.
Insanity is when you forget what the sane man does.
"Have I ever told you the definition of insanity?"
by G3N3R1C January 10, 2013
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When people come across a situation that brings up developing thoughts, views, opinion's, on a low-key business level.

Productive ideas are not always straight arrow solutions.
We've found a home with a planning tech draw room in the back of the house. That's insane.

Urban D Phrases:

Man they b doing some shady tact. That's insane.

Did you see that? She taint kicked that dude. That's Insane! Where is the camera man?

I found the... they wanted me too. Now What? That's Insane
by ErcsWomanOl'buddieO'lpal February 18, 2010
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The state of suffering a severe psychiatric disease which causes extremely abnormal behaviour or loss of touch with reality (psychosis), most commonly associated with schizophrenia and bipolar illness (the manic phase).
King George suffered from bouts of insanity.
by Doc_B April 13, 2015
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