Seldom used or odd words; I'll start

[Ogandydancer]

Blatteroon
Blat`ter`oon´
n. 1. A senseless babbler or boaster.

Blatherskite


blatherskite
1
: a person who blathers a lot
2
: nonsense, blather

 

[Marshwheeling]

Syzygy.

An alignment of three celestial bodies, as in aa solar or lunar eclipse.

The best hangman word ever, unless you are playing one of my kids.

 

[NYlakesider]

Please
Thank you.

Words you hardly hear any more.

 

[Onomea]

Lickspittle: A suck-up, a toady, a sycophant.

 

[Doug627]

Reckon. My grandmother used it lot.

 

[Absalom]

"sesquipedalian", adjective.

Describes big words, as well as speech and text using big words with many syllables. Can also be used to describe people who produce such language, like folks who'd actually use the term "sesquipedalian".

I learned that word in college in a pub that had a "word of the day" up on their reader board, and I stared at it all night on one oaccasion while slowly getting plastered. That's how you learn things for life.

 

[dave holl]

Latus rectum: A chord through the focus of a conic section perpendicular to its axis. (difficult to keep a bunch of sophomores quiet once you've mentioned that in class)

Phlegm: Mucous

 

[federali]

Logorrhea: Medical Definition of logorrhea. : pathologically excessive and often incoherent talkativeness or wordiness that is characteristic especially of the manic phase of bipolar disorder.

Often referred to as diarrhea of the mouth by people dictionarily challenged.

 

[Fishslayer]

ram·e·kin
ˈraməkən/
noun
a small dish for baking and serving an individual portion of food.
a quantity of food served in a ramekin, in particular a small quantity of cheese baked with breadcrumbs, eggs, and seasoning.

 

[30-30remchester]

Fetching: Meant as a compliment meaning very appealing.

Guying: Meaning publicly humiliating someone.

Mothersbreath : A unit of measurement in old cookbooks.

 

[Grip_Maker's_Wife]

* Lollygag - verb

To dawdle, procrastinate, waste time, goof off

* Jabberwocky - noun, adjective

senseless words or speech, gibberish
Originates from the Lewis Carroll poem Jabberwocky

Both of these words are fun to say and I use them occasionally.

 

[walkin jack]

You're welcome. These days you get, "no problem".

 

[Dobie406]

exhaustipated: too tired to give a @#$%

 

[Grip_Maker's_Wife]

ram·e·kin
ˈraməkən/
noun
a small dish for baking and serving an individual portion of food.
a quantity of food served in a ramekin, in particular a small quantity of cheese baked with breadcrumbs, eggs, and seasoning.

I use ramekins for dishing up ice cream so I limit the quantity. If the dish is bigger I want to dish up more. We also use them for dipping sauce when serving artichokes, and other foods too.

 

[Faulkner]

Reckon. My grandmother used it lot.

I reckon it's use must be a geographical or cultural thing. It's use is quite common in my neck of the woods.

 

[Fishslayer]

I reckon it's use must be a geographical or cultural thing. It's use is quite common in my neck of the woods.

Common in Australia, at least in the part I was at...

 

[arjay]

bloviate
verb
talk at length,especially in an inflated or empty way

 

[DWalt]

Smellsmock. Look it up.

 

[Lee's Landing Billy]

When Elizabeth Taylor was in Charleston making a movie about the Civil War [War Of Northern Aggression], she was asked what was the most interesting "Southern" word she had learned she said..Idn't.

 

[Speedo2]

Exsplateration: excessively boring verbosity

Transmogrify: a fanciful or unusual transformation

ETA a couple more (curtesy of Mr.Roy Blackwell):

Connogonize (verb): heavy thinking

Hosebeast: an unsavory woman that you shouldn't associate with

Hijondaconda: a disease you can catch from the hosebeast