crash [crashed, crashing, crashes](slang: to turn up without having been invited) verb [UK: kræʃ] [US: ˈkræʃ]
gatecrash [gatecrashed, gatecrashing, gatecrashes](to go to a social event without being invited, or without having paid) verb [UK: ˈɡeɪt.kræʃ] [US: ˈɡeɪt.kræʃ]