Traditionally a cleric (can be used as a word for a: minister, priest, pastor, rabbi, purohit, or imam) or a lay representative of a religious tradition, attached to a secular institution (such as a hospital, prison, military unit, intelligence agency, embassy, school etc. The chaplain's role is supportive, serving as a counsellor and guide to the psycho-spiritual needs of the staff and patients. Originally a priest or minister who had charge of a chapel, now an ordained member of the clergy who is assigned to a special ministry
The army unit had a chaplain to say a few prayers at the funeral of the dead soldiers.

Look Steve, here comes the chaplain...
by Disorganised January 5, 2022
A person normally with pale skin, greasy hair, and no real friends. Their whole lifes purpose is to buy and beat every video game EVER. The ultimate no-life.
your friend." Wow that kid needs to go outside."

you," Is he reading a game guide?"

your friend," That kid is SUCH a Chaplain."
by Dr.Lipschitz October 31, 2010
1. Nickname for Jeff Goven, submission grappler and universal faith minister (used to go to various prisons & jails as an outside chaplain for the inmates).

2. A crime-fighting cartoon character based loosely on Jeff Goven.
The Grapplin' Chaplain is small and old and cannot defeat that heavyweight college wrestler by college wrestling rules, but, allow all grappling techniques, remove all points and time limits, and the GC will win by a submission!
by Debbie Goven June 17, 2009
When one smells the sweet smell of ones anus while licking the twat juices thus resulting in her saying "Oh God"
She asked for the happy chaplain because the HINNY HOG was just to much...
by ArmyDitchDoc September 25, 2021