bung·hole 
(bŭnghōl′)
(bŭnghōl′)n.
1. The hole in a cask, keg, or barrel through which liquid is poured in or drained out.
2. Vulgar Slang The anus.
- nonprofessional
- nonprofessionally
- nonprofit
- nonproliferation
- nonproprietary name
- nonpros
- non prosequitur
- nonreader
- nonrecombinant
- nonrecoverable
- non-REM sleep
- nonrenewable
- nonrepresentational
- nonresidence
- nonresidency
- nonresident
- nonresistance
- nonresistant
- nonrestrictive
- nonreturnable
- nonrigid
- nonscheduled
- nonsectarian
- nonsectarianism
- nonsedating