When an individual, group of individuals, a thing, or an event epically destroys the good vibe, buzz, or high of every participating member of a large party. A massive multiple killjoy. Often is induced by the police, people that can't handle their substances, party crashers, and Justin Bieber.

The people, or person, that makes a wedding or other "fancy" occasion memorable because of something untraditional.

People who try to crash a party that are trying to fit in and be cool.

to intentionally travel to a party to invoke the deadly Rule of Buffalo which usually means said party ends sooner than expected due to the high consumption of alcohol, leading to various shenanigans and loss of conciousness. Buffalo Crashers usually take much enjoyment from the utter frustration and discontent of the orginal members of the party when 'Buffalo' is called on them.

A wedding crasher is someone who attends a wedding uninvited. Unlike the 2005 film which takes its name from the term, the objective of a crasher may not be to “hook-up” and have sex with guests that were invited but to enjoy free food, cheap or free alcohol, or the party atmosphere. Wedding crashers usually don’t crash the actual wedding ceremony (bride and groom on the altar with a priest) because of the lack of social significance to them and to achieve the previously stated objectives of entertainment, so they’re usually found at the wedding dance, reception, and/or dinner.

The nature of wedding crashers means they may cause trouble at weddings. Since they usually don’t know the people getting married (or other people attending) there is no significance, concern, or respect for the wedding attendees. For example, a crasher may get belligerently drunk and cause a ruckus at a wedding with no remorse since the people there mean nothing to him or her. Wedding crashers are difficult to keep out since receptions and dances tend to be large and most don’t require an actual paper invitation for proof. A small wedding where only family members are invited maybe a situation where a crasher would be easily spotted.

In rural areas or smaller towns where an “everyone knows everyone” environment is prevalent because of small population, inadvertent wedding crashing may occur when people not invited to the wedding ceremony attend the reception or dance after because the...

originally started in southern california, "crashers" is the name given to police officers that break-up (or crash) house parties.

The group of guys that always come to a party and bring the ruckus...Usually good to have around if you are liked by them and not good if it is your party and you don,t want blood on your floor or the cops to come.