Use "water at the mouth" in a sentence

1. As an ordnance engineer and a qualified gunsmith in 1941, the prospect of learning about what small arms were like in 2051 was making him water at the mouth

2. Walker then reviewed the list with growing excitement: this was going to make the various chiefs of staffs water at the mouth

3. At six o'clock the following morning, a fishing boat found George Mellis's body pinned against the breakwater at the mouth of Penebscot Bay

4. What made it unusable, however, was the maze of jagged rocks that jutted above and below the surface of the water at the mouth of the bay, where it narrowed between the two rocky promontories