Definition of dagnabbit in US English:

dagnabbit

(also dagnabit)

exclamation

US
informal, humorous, euphemism
  • Expressing annoyance or amazement: ‘darn it!’.

Origin

1930s; earliest use found in The Chicago Tribune. From dagnab + it.

Pronunciation

dagnabbit

/ˌdaɡˈnabɪt/