precisely **
exactly ****
on the nose
on the dot
on the button

But he did send it every month, money order, right on the dot, I'll give him that.

We leave dramatically on the dot of seven, if it's dark enough.

I know that you have to leave on the dot.

He comes out every day at six on the dot.

Time of death was oh two hundred, almost on the dot.

You be at your office on the dot of midnight.

He was still standing on the final dot below the question mark.

Take your full breaks and go home on the dot.

They would come for him on the dot of midnight.

He always left at 8:00 on the dot, to go home to his wife and sons.