- a person who attends or enters a social function without an invitation, a theater without a ticket, etc.
Origin of gate-crasher
An Americanism dating back to 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for gatecrasher
The room was piled high with boxes containing the priceless tickets for Gatecrasher Balls.'Lord Fraud' Gets Out of Jail, Back Into Orgies
August 26, 2014