honest-to-goodness

[ on-ist-tuh-goo d-nis ]
/ ˈɒn ɪst təˈgʊd nɪs /

adjective

real or genuine.

adverb

really, truly, or genuinely.
Also hon·est-to-God [on-ist-tuh-god] /ˈɒn ɪst təˈgɒd/.

Origin of honest-to-goodness

First recorded in 1915–20

Idioms and Phrases with honest to god

honest to God

Also, honest to goodness or Pete; honest Injun. Truly, really, as in Honest to God, I didn't know it was yours, or Honest to goodness, we had exactly the same experience, or I promise I'll finish in time, honest to Pete, or Honest Injun, I didn't take your wallet. These colloquial assertions date from about 1900, except for honest Injun, dating from the late 1800s and today considered offensive.