RichThesaurus
butter my butt and call me a biscuit
vs
mama mia
butter my butt and call me a biscuit
intj
An expression of astonishment upon learning something unbelievable (usually positive).
mama mia
How often have the words
butter my butt and call me a biscuit
and
mama mia
occurred in a corpus of books?
(source:
Google Ngram Viewer
)