A rare occurrence in the natural world where so many deer are stampeding across the edge of one's line of sight that it appears as though the horizon is comprised of deer. Occurs approximately once in every 703.223 years.
HOLY SHIT DID YOU SEE THAT DEER HORIZON?
During the final moments before cumming, there is a point in time, that when crossed, there is nothing that could save you from not cumming.
You know that bitch, Sasha Fox, she gave me the event horizon
Thick hair around the anus or vagina.
Look out!" she said, "Your hand is being pulled into the event horizon!
The little line of dust you can’t ever quite sweep up with the broom and dustpan.
Dude don’t bother sweeping anymore, you’re about to hit the dust horizon
When an individual lies or grossly exaggerates so often that it becomes difficult to determine whether what they're saying is true, a joke, or utterly false.
Originally coined by the YouTuber hbomberguy in his video "ROBLOX_OOF.mp3" while discussing the alleged lies of American video game music composer Tommy Tallarico.
"Jonathon's lies have been so profuse that his claim to have met the President with a picture of him posing Infront of a wax statue has crossed the Tallarico Event Horizon."
When you are having an orgasm and nearly black out only seeing the horizon.
I fucked her so hard she had an O Horizon
While conducting anal sex, the pressure buildup of digestive gasses are much stronger than the inserted object's (penis, butt plug, baseball bat, etc.) friction seal and increased so much from the repeated pumping and agitation, that it causes an outwardly explosion of digested mass - typically diarrhea and gasses - all over the anal sex participant and surrounding surfaces; evocating a similar result likened to Deepwater Horizon.
Yo man, I took Mary to Taco Bell last night then back to my place for some loving. We tried anal for the first time and idk wtf happened but one second she said "uh oh" and the next second her anus exploded multiple streams of diarrhea all over me, the bed, floor and dog - I don't know what else to call it other than a Deepwater Horizon Anal Fissure Event.