jonis and corner combined, it is the act of being called "jonis" and being stuck in a corner. Jonis's are usually scottish, have anger issues, and are rejects to society. And thus, the "jorner" was made.
some random jonis: 'ello world it's me jonis innit
based sigma: fuck you jonis sit in your jorner
random female: yeah fuck you jonis we have a jorner for a reason
a fucking goose: JORNER ALERT JORNER ALERT
some fucking cat i found on the street: i fucking hate jonis's
the queen of england: SIT IN THY JORNER YOU PEASANT SCUM
the scythe in my parents garden shed: lol jorner haheheahehhee
jonis: im going to kill myself