1. to cheat.
|, ,||Sl. Dict.|
2. (US) to catch in the act of committing a crime.
|Keys to Crookdom 415: Rank. To blunder. To fizzle. To rank a job. To get a rumble.|
|Over the Wall 335: They’ve ranked us, and we’ve got to plant – muy pronto.|
|Men of the Und. 324: Rank, [...] 2. To interfere with the commission of a crime.|
|World’s Toughest Prison 814: ranked – To be seen or recognized while committing a crime.|
3. (US) to betray, to let down.
|Keys to Crookdom 71: Many a good job was ‘ranked’ or ‘rumbled’ (spoiled) because the gunpowder did not have sufficient explosive force.|
|Amer. Tramp and Und. Sl. 154: Rank.–To inform, generally when this is done inadvertently, on a pal. To be ranked is to be recognized or to be seen while committing a crime.|
|Criminal Sl. (rev. edn).|
|Men of the Und. 324: Rank, I. To double-cross.|
|Pimp 151: Don’t worry ‘Top.’ I won’t rank us.|