5 definitions by Paul F. Walters

Top Definition
The indentation in the back of the neck at the base of the skull, especially when pressed upon by a small child's thumb.
Etymology: mwde up by my younger brother as a toddler.
"Prestush, prestush, prestush," my brother sang, as he pressed his thumb into the indentation at the base of my skull. "Prestush, prestush, prestush."
by Paul F. Walters June 17, 2005
(adj.) A superlative indicating both awesomeness and extreme cuteness. It combines the attributes of awesome and those suggested by the interjection, aww, with the popular girlish usage of amazing.
That is the most awwmazing kitty video I have ever seen.

(Note that although that word occurred to the author independently, there were 2,820 Google hits for the word at the time of posting.)
by Paul F. Walters February 05, 2010
(n.) A geometric figure composed of a set of tweets on Twitter whose hashtags link such that the tweets form a geometrical figure, in any number of dimensions.

Related term: hashtagonal (adj.), having the properties of such a structure.
Here are three tweets: 1) My #dog ate an #apple. 2) The #lion growled like a #dog. 3) No #lion has ever eaten an #apple. Tweets 1 and 2 link at dog, 2 and 3 at lion, and 1 and 3 at apple. The three tweets form a hashtagonal triangle (or a triangular hashtagon). The same can be done for all geometrical figures reducible to lines and vertices with any degree of connectedness, in any number of dimensions, for flat space and probably for any uniform hyperspheroidal manifold.
by Paul F. Walters February 04, 2010
To remove an object from risk of repossession in the event of a loan default, by assigning another object as collateral to the loan amount in its place.
Sissy, I own my car free and clear, now that you have decollateralized it by making Dad's car collateral for your loan instead.
by Paul F. Walters June 17, 2005
A piece of Plymouth Rock. Analogous to nephrolith (kidney stone).
The path from the Mayflower was strewn with Plymoliths.
by Paul F. Walters December 01, 2007

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