What does BACKLASH mean?

Answer 1

1. A sudden or violent backward whipping motion.
2. An antagonistic reaction to a trend, development, or event: "As the backlash against divorce progressed, state legislatures . . . called for a rollback of no-fault divorce laws and even for premarital waiting periods" (Walter Kirn).
3. A snarl formed in the part of a fishing line that is wound around the reel.
4. The play resulting from loose connections between gears or other mechanical elements.