1. being very dangerous

2. extremely steep
Jake ended up in the hospital after making a very precipitous jump on his motorcycle.

The mountain was very precipitous after the avalanche.
by <3RAWR<3 October 21, 2009
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Different forms of water from the sky. There are 4 types of precipitation: rain, hail, sleet and snow.
" will there be any precipitation today?"
" no, just a sunny day"
by Lucky kid February 13, 2017
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"Is there going to be any precipitation today?"
"...just call it rain you fkn nerd"
by Deesenutz October 04, 2015
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To rain...(it can rain a number of things, but please see the example for proper usage).
jk: I'm giving this new girl a try.

jk: If things don't precipitate after 2 months then it might be time to move on, but i really dig her.

dd: Precipitate? Doesn't that mean rain?

jk: Yeah, me raining skeet on her face.
by Mr. Softie 58 January 27, 2007
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THEIR IS PRECIPITATION DUDE
IT COMES FROM THE SKY
DIE, DIE, DIE!!!!!
by HOUNKUS November 15, 2019
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The surplus water that is left in trees and other overhanging plants after a previous rain shower. Even after the rain itself has stopped falling, the precipital fallout still lingers, much like the radioactive fallout of a nuclear explosion.
Zack: Hey Devin! Why are you soaking wet?

Devin: You know that storm we had yesterday? I was just hit by some precipital fallout when I walked under those trees over there.

Zack: Oh...HA!
by DR192 June 14, 2009
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(noun)The nectar of a vagina in any form;the reaction from a stimulated vagina.
"Liz is coming over!I predict an 80% chance of vaginal precipitation."
by Semen Flower August 11, 2009
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