onyouget

This is normally sent to a peer/individual who is not online (on the game of Fortnite) who needs to get online immediately when you send them this text. In lighter terms it means get on Fortnite

Example One:
Snapchat
Tom: "onyouget"
Liam: 'I'm loading into Fortnite now'

Example Two:
Ben: 'onyouget'
Shaun: 'I'm out sorry'
Ben: 'Shut the fuck up and get your arse online'