Definition of nothingburger in English:

nothingburger

noun

informal US
  • Something that is or turns out to be insignificant or lacking in substance.

    • ‘another nothingburger of a debate’
    • ‘a seemingly endless series of nothingburger speeches’

Pronunciation

nothingburger

/ˈnəTHiNGˌbərɡər/ /ˈnəθɪŋˌbərɡər/

Origin

1950s from nothing and burger.