TIP (information)
NOUNS
► GRIFF a tip or piece of news or reliable information → 1891 Brit. sl.
► GRIFFIN a tip, as in racing, etc → 1891 Brit. sl.
► HARD WORD, THE a tip-off, a hint; a piece of inside information; a password → 1804 colloq.
► IKEY-MO a tip, information → M19 sl.