No definitions found for 'on the fire'
Perhaps one of these:
oneida, pa,
on the point,
omnitab,
on the fence,
on the brink,
on the button,
on tap,
on the fly,
on the pad,
on the verge,
on the face of it,
on the average,
on the bow,
on the ball,
on the volley,
on the offensive,
on deposit,
on the hoof,
on the fritz,
on the beam