(slang) A thief.
(slang) An informer, one who betrays their group.
(slang, Britain) A nose.
A tiny morsel.
A ball used in the sport of Quidditch.
(slang, intransitive) To inform on, especially in betrayal of others.
(slang, intransitive) To contact or cooperate with the police for any reason.
(slang, dated, transitive) To steal, quickly and quietly.