Definition of "drowner"

With the jumpers and the drowners, McGee, you don't pick up a pattern. That's because a jumper damned near always makes it the first time, and a drowner is usually almost as successful, about the same rate as hangers.

2017, Ronald V. Clarke, Suicide: Closing the Exits

At eight you thought of boys as cat drowners and bird stoners. At nine there was another reason for boys' existence: they either noticed you or they didn't, and it desperately mattered which.

1950, Henry Morton Robinson, The Cardinal