babycakes
noun
ba·by·cakes ˈbā-bē-¦kāks 
informal
: sweetheart
"A hundred bucks, Babycakes! In one night!" He popped the french fry into his mouth. "Think you can handle that?"
Armistead Maupin, Tales of the City, 1978
Armistead Maupin, Tales of the City, 1978
Word History
Etymology
baby entry 1 + cake entry 1 + -s, suffix of hypocoristic nouns used in address, as Babs, Fats, Toodles
First Known Use
1949, in the meaning defined above