Late 18th century; earliest use found in The London Magazine. Representing a regional or colloquial pronunciation (with reduction of the vowel in the final syllable) of tomorrow.
Definition of tomorrer in US English:
tomorrer
adverbtəˈmɒrə
Regional informal
Tomorrow noun.
Origin
Late 18th century; earliest use found in The London Magazine. Representing a regional or colloquial pronunciation (with reduction of the vowel in the final syllable) of tomorrow.