(Jer. 24:2). “The bad figs may have been such either from having decayed, and thus been reduced to a rotten condition, or as being the fruit of the sycamore, which contains a bitter juice” (Tristram, Nat. Hist.). The inferiority of the fruit is here referred to as an emblem of the rejected Zedekiah and his people.
Dictionary entry
Naughty figs
Easton's Bible Dictionary