hat tip - definition and synonyms

noun [countable] 

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/ˈhæt ˌtɪp/
singularhat tip
pluralhat tips

or h/t 

  1. something that you say, especially when writing on the Internet, to show that you are grateful to someone for giving you information
    hat tip to:

    Hat tip to Twitter follower DJSerQet for the reco!