Three of them were arrested.
Over 200 young people turned up at a house party uninvited in Co. Kildare on Monday evening.
A 17-year-old girl posted on social media she was inviting friends to her house in Leixlip.
It was shared and went viral, before gardaí were called - three teenagers were arrested for public order offences.
The girl's father, Kevin, said he was away for the night and it spiraled out of control.
''My daughter ask can I have 5 or 6 friends over? And I said sure no problem'', he said.
''But of course teenager being a teenager, thought she'd pull a sneaky one and invite about 15 or 20 of her friends.
''So she made a private story on snapchat and she did little invites with all the names on it.
''But someone screenshot it, and basically the screenshot was put on a public story and then it was just sent viral.
''People turned up from everywhere''.
