sure as eggs is eggs

Adverb

Meaning

sure as eggs is eggs (not comparable)

(simile, colloquial) Most certainly.
At this time of year, sure as eggs is eggs, the TV starts filling with Christmas ads for toys.

Source: en.wiktionary.org

Synonyms

transparently beyond a shadow of a doubt

Antonyms

possibly maybe perchance haply peradventure mayhap

Close letter words and terms

sure as death or taxes sure as eggs sure as eggs are eggs sure as fate sure as shit sure as shooting