shucks

nouns

something of little value
"his promise is not worth a damn"; "not worth one red cent"; "not worth shucks"
damn, darn, hoot, red cent, shit, shucks, tinker's dam, tinker's damn
an expression of disappointment or irritation
shucks
is a type of (narrower)
a word or phrase that particular people use in particular situations
"pardon the expression"
expression, locution, saying