1[mass noun] A brand of boot polish.
- ‘Shinola seems to have been a fairly cheap and cheerful product.’
- ‘There's another reason the Huskers need a little Shinola for their 11-1 season.’
- 1.1US informal Used as a euphemism for ‘shit’‘there'll be the same old Shinola on television’
Early 20th century: from shine + -ola (suffix chiefly in US usage).