The definition of a shit that is so large in mass that it rises over the water in the toilet bowl. To do so one must shit so that there is a solid base under the water level.
"I just saw an Event Horizon!"
"What? The movie?"
"No! In my toilet!"
by de Cruz May 29, 2007
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The Deep Water Horizon is a very advanced sexual technique. CAUTION: Attempt at your own risk.

To begin Partner 1 must consumer massive quantities of expired milk, extra spicy salsa, chili, chimichangas and tacos. This is to be washed down with bottle of laxatives.

After sufficient time to process, Partner 1 assumes the 'Spill Position'... laying on their back, legs up and ass in the air.

Partner 2 then assumes the "Top Hat / Top Kill" position, by placing their mouth over Partner 1's anus, forming an air-tight seal.

Partner 1 will then release the contents of their rectum, while Partner 2 attempts to contain the spill.

This technique is general followed by the 'Louisiana Beach', where both partners will lie in bed on top of the anus spewed mess.
by DyinRyin June 30, 2010
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The explosion at deepwater horizon oil field, which holds the record for deepest offshore well drilled, the largest marine oil spill it created & the deep shit in which many marine & terrestrial organisms, the residents of many beach towns, employees of Transocean & BP & BP plc itself landed into.
Folks over at BP were exploring the horizons of how deep they can land in deepshit trying to save some money. The deepshit horizon oil rig exploded as a result of some shitjob that landed them & many more in deepshit!
by Jumbled McGobbledygook February 23, 2021
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A truly evil non-profit organization run by Karens that love to talk about how great they are. Horizon Housing hates poor and marginalized people but loves taking their money. They hate the fact that they’re incompetent and have residents doing their jobs for them.
If you get beat up at Horizon Housing- they’ll kick YOU out!
by Roberts&James’ February 24, 2021
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The moment after you ejaculate where you can’t physically go any longer. No matter how hard you try you can’t get past that point, hence “The Event Horizon.”
“I just got to the Event Horizon oh shit *ejaculates the alphabet onto the Brazillian Flag*”
by HeavyHelen August 28, 2020
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The point on a social media platform where more than half of the content presented to users is either paid messaging inserted by the platform owner or artificially-generated ("bot") content, masqueraded as human-generated content.

The Zuckerberg Horizon is typically identified as a watershed moment, where an established social media platform loses both its value to users as a community discussion forum, and its and general credibility as a source of impartial information. Beyond this horizon, human-to-human communication represents the minority of content presented to everyday users of the platform.

Social media platforms crossing the Zuckerberg Horizon typically fall into a state of rapid public decline, though several documented exceptions exist. Examples of platforms surviving the horizon include those catering to extremist or "anti-fact" communities (e.g. The Flat Earth Society), platforms primarily funded by corporate interests (e.g. climate-denial forums), or those dedicated to distributing state-sponsored propaganda.
Twitter passed the Zuckerberg Horizon when Elon Musk re-activated thousands of previously-banned extremist accounts and disabled the accounts for legitimate news outlets critical of the decision such as The New York Times, CNN, and the Washington Post.
by Chilkoot December 17, 2022
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