[gixxy]

Use the Timer to limit how quickly you can toggle.

double interim = 2; //can only toggle every 2 seconds
double previous = 0;

boolean isOn = false; //state of motors

if(JoystickButton.get()) {
  /*check if interim time has passed since previous check*/
  if(Timer.getFPGATimestamp() - previous >= interim) {
    previous == Timer.getFPGATimestamp();
    if(isOn == true) {
      //change state of motors
      isOn = false;
    } else {
      //change state of motors
      isOn = true;
    }
  }
}