uh-oh

• oh-oh
• uh oh
• uhoh (rare)

• (US) IPA^(key): /ˈʔʌ.ʔoʊ/, [ˈʔʌ̆ʔ˦oʊ˨]
• (Received Pronunciation) IPA^(key): /ˈʔʌ.ʔəʊ/, [ˈʔʌ̆ʔ˦əʊ˨]

• Audio (General American):

  (file)

• Audio (Received Pronunciation):

  (file)

• Both syllables are initiated with glottal stops, and the intonation of the syllables (high-low) is distinctive.

uh-oh

1. (informal) An exclamation of error, concern, or awareness of a problem.

   Uh-oh! I made a mistake.

   • 2024 August 21, Philip Haigh, “Stranded trains: problems for passengers and operators”, in RAIL, number 1016, page 52:

     Uh-oh. I emerged from the Underground station at London King's Cross the other day to find a dense throng of people filling the main line station's concourse.

• uh-oh, Spaghetti-O