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View synonyms for top-off

top-off

[ top-awf, -of ]

noun

, Australian Slang.
  1. a person who informs on another, often as if by accident or as a joke.


top off

verb

  1. tr, adverb to finish or complete, esp with some decisive action

    he topped off the affair by committing suicide

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of top-off1

First recorded in 1940–45; noun use of verb phrase top off to inform (on someone)
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Example Sentences

And if you’re in a rush, a 15-minute top-off will get you several hours of playback time.

Many experts believe the third shot does more than just top-off waning immunity; the shot also broadens the ability of the immune system to defend against variants, including omicron.

Engineers deliberately left the fuel tank accessible for a top-off by visiting spacecraft, if and when such technology becomes available.

Engineers deliberately left the fuel tank accessible for a top-off by visiting spacecraft, if and when such technology becomes available.

Engineers deliberately left the fuel tank accessible for a top-off by visiting spacecraft, if and when such technology becomes available.

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