1 her rat of a husband cheated her
2 the most famous rat in mob history
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Rats! I've lost my ticket!
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- 1 we may have been poor but ratting on our friends was something we didn't doinform on/against, betray, be disloyal to, be unfaithful to, break one's promise to, break faith with, sell out, stab someone in the backinformal tell on, sell down the river, blow the whistle on, squeal on, stitch up, peach on, do the dirty onBritish informal grass on, shopAustralian informal pimp on, pool, put someone's pot on