Definition of hat tip in English:

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hat tip


(In online contexts) used as an acknowledgement that someone has brought a piece of information to the writer’s attention, or provided the inspiration for a piece of writing: hat tip to Chris Johnson, who alerted me to the story
More example sentences
  • Here's the video of the segment, courtesy of the Political Teen (hat tip: Ian).
  • There is a press release available at WHOI which is quite informative (hat tip to Joseph O'Sullivan for the link).
  • Hat tip to the's "Best of The Web Today."


Late 19th century (originally denoting an act of raising one's hat as a polite greeting or salutation): from the phrase tip one's hat .

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Syllabification: hat tip

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