bottom out

verb6

1. •
   To reach the bottom; to reach the nadir or lowest point.
2. •
   Of a suspension or similar device, to strike the lower mechanical stop and lose the ability to buffer further downward motion.

   • The hard landing caused the oleos to bottom out and the gear struts collapsed.
3. •
   Of a vehicle, to touch or drag along the ground or other surface.

   • Going over that speed bump, my car bottomed out.
4. •
   Of a vessel, to touch the bottom of a water body.
5. •
   To be, at a basic level.

   • The problem bottoms out into a management issue.
6. •
   (slang) To fully anally penetrate.