crasher

gatecrasher

One who attends an event, such as a concert, sports match, or party, without being invited or paying to get in. I don't mind gatecrashers coming to my parties, so long as they behave themselves. Due to the popularity of the show—and the limited amount of tickets—extra security was hired to keep any gatecrashers out of the concert.

party crasher

One who attends a party without having been invited. I don't mind party crashers coming to my parties, so long as they behave themselves.
See also: crasher, party
Farlex Dictionary of Idioms.

crasher

n. a person who attends a party uninvited. (see also crash.) The crashers ruined the party, and my dad called the cops.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • gatecrasher
  • crash the gate
  • party crasher
  • tailgate party
  • in concert
  • concert
  • the opening of an envelope
  • friend of Bill W.
  • a fire extinguisher
  • extinguisher
References in periodicals archive
The possessed party decoration deals two damage every turn to your minions, and buffs up your Party Crashers into 5/7s, killing this Golem isn't easy.
Although I could describe the program in detail with a complete outline of the events, I don't believe it would give justice to what participating in the 2014 Crashers group meant to me.
Shutting those pesky Party Crashers up, so they lose their taunts and direct damage, will severely limit your opponent's damage.
The Crashers are out to do more than just shake up the status quo-they have real plans aimed at helping credit unions.
CM Punk will play the role of a party crasher during the fight and possibly setup a rivalry.
Doors for Crasher Rules will be open from 9pm to 6am.
LEADING Irish trainer Seamus Graham is understandably excited with the brilliant progress of his young star Tolerton Crasher, who has reached the final of the Texacloth Puppy Derby at Newbridge unbeaten, writes Michael Fortune .
Fellow crasher Chad Helminak, Web designer and media relational manager for the Wisconsin Credit Union League, shared Vance's sentiment.
The friends frequently "crash" wedding parties to meet women, working from a set of rules taught to them by a past 'crasher,' Chazz (another brilliant Will Ferell cameo).
WEDDING Crasher Owen Wilson has denied a connection between his movie You, Me and Dupree and 70s band Steely Dan.
As a television writer and practiced party crasher, I've gone to premieres before, but the party for The L Word last month felt different.
Horrified children reportedly screamed in shock as a gate crasher allegedly ripped off the kitten's head with his teeth.
Thor drove his chariot across the sky powered by two goats, Gnasher and Crasher. Sound familiar?
"She posed for a few pics with the bride and groom, all while yelling out "wedding crasher."
- Dinner Crasher (found on Youtube and available via the Spooftroupe site as well) with it's interaction between Bluebonnet, her “whipped” Hubby and Mr.