Superstitions
People believe they will have seven years of bad luck if they break this.
Mirror
This theory is based on the belief that the moon is empty or even a spaceship.
The Hollow Moon theory
Some people believe that, if you do this after eating, you may die.
Swimming
This is an ape-like legendary creature purported to inhabit the forests in North American.
Bigfoot / Sasquatch
This is a view or opinion that is incorrect because it is based on faulty thinking or understanding .
Misconception
This is what sports players call the socks that help them win games.
"lucky" / "lucky socks"
These people do not agree with the scientific consensus on the shape of the Earth.
flat earthers
This is said to be developed for regularly cracking one's knuckles.
Arthritis
This is the nickname of the legendary creature believed to inhabit Loch Ness in Scotland.
Nessie
This is another word for "consequence" or "result," and it derives from a phrasal verb.
Outcome
When the 13th of a month falls on this day, people see it as a bad omen.
Friday
This singer, with his gyrating hips, was believed to have faked his death to escape the mafia.
Elvis Presley
This skin condition is believed to be associated with chocolate consumption.
Acne
This is a legendary creature, whose reported vampirism led to its name.
Chupacabra
This is what people do when they make a hasty judgment before learning or considering all the facts.
Jump to conclusions
People believe that doing this can cancel one's bad luck or an evil omen.
to knock on wood / knocking on wood
People believe that this American military installation is researching and experimenting on aliens and their spacecraft.
Area 51
People believe that cold, wet weather can cause this.
A cold / the flu
People commonly seat around these to tell ghost stories.
Campfires
This is a phrase that means "to be caused by" or "to come from", and it is associated with trees and cells.
(to) stem from
Walking under one of these is seen as the cause of bad luck.
ladders
This theory believes there is a plan to poison people with the gas that comes out of plane turbines.
The chemtrail conspiracy (theory)
This part of the egg is said to be unhealthy.
Yolk
This is what the acronym UFO, officially used to refer to sightings of possible spaceships, stands for.
Unidentified Flying Object
This is another term for "mature", "experienced", or "proficient", and it is associated with birds developing wings to fly.
fully-fledged / full-fledged