1. Bog, or Bog-house, a privy as distinguished from a water-closet

2. Clipping of Closet of ease, (later, Britain) clipping of water Closet: a room containing a toilet.

3. When the soil pipe from a water-closet is exposed in cold weather it may freeze up or be Clogged by urinary deposits

4. (dated) A water closet containing a flushable toilet, especially a toilet fixture identified "T. Crapper", a well known Victorian -era English engineer and plumbing installer, Thomas Crapper.

5. Crapper (Noun) A water closet containing a flushable toilet, especially a toilet fixture identified "T. Crapper", a well known Victorian-era English engineer and plumbing installer, Thomas Crapper.