O praeclarum custodem ovium lupum!

An excellent protector of sheep, the wolf! (Cicero)

O quam cito transit gloria mundi! - O how quickly passes the glory of the world!
O sancta simplicitas! - Oh, holy simplicity! (Jan Hus)
O tempora, O mores! - Oh, the times! Oh, the morals! (Cicero)
O! Plus! Perge! Aio! Hui! Hem! - Oh! More! Go on! Yes! Ooh! Ummm!
Obesa cantavit - The fat lady has sung
Obiit (ob.) - He/she died

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