Urban Dictionary: Definitions by Carrot Girl Perth

Who In

Asking who is in the mood to sesh or who is already presently participating in a sesh. Who is within the sesh.

Oi Who Innnnnnnn

Asking who is out and about with plans to sesh.

Oi Who Out

Who's up to party/sesh. Who's up to be awake. Mentally "up" .

Oi who up