Or mentioned in a large group of people, after Captain Obvious makes his most recent discovery.
Almost always followed up by a relating laugh, or the follow-on of the self-owned hilarity of the group, with
.... And knowing is half the battle.
G. I. Joooooeeee.
Invidulator: Right, Year 12. You have about.... 4 minutes left (of this pointless exam..)
Chad: And now we know!
John: And knowing is half the battle.
Chorus of year 12s: G. I. Joooooeeee!