expression of indifference, 1847, from shuck (n.) in the secondary sense "something valueless" (i.e. not worth shucks, attested in a separate source from 1847).
not worth shucks
shtetl
shtick
shtoom
shtup
shuck
shucks
shudder
shuffle
shuffleboard
shuffler
shufty
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}