In the novel "Brave New World" by Aldous Huxley, the word 'pneumatic' was used to describe the sensation of sex with the main female character Lenina. In this context it means well rounded, or bouncy, in reference to her breasts and her body.
Lenina is quite pneumatic.... *pats Lenina's leg*
by tatsa05 August 12, 2005
A clever way to call someone an airhead (playing off the traditional meaning of pneumatic, which is, "pertaining to or filled with air.") Usually used in reference to women who are bubbly and nice, but dumb as a box of rocks.
Girl 1: That girl is such an idiot--she probably can't remember how to spell her own name.
Girl 2: Be nice, she's just a little....pneumatic.
by itcomesandgoes May 11, 2010
The notion of padded comfort that feels like an air-cushion; can also be used to describe to a woman's body (favorably).
"It's more like a caffeine-solution party than a trial," he said, and let himself fall into the most luxurious of the pneumatic arm-chairs. (Brave New World, Chapter 16)
by CFjohnny55 April 11, 2020
The word you know how to spell because you watched "Neither a Borrower Nor a Speller Bee" (The Suite Life of Zack and Cody: Season 2, Episode 12) so much.
"Pneumatic. P-N-E-U-M-A-T-I-C."
by Jomofoshobro April 21, 2006
A way publishers used to describe women as busty.
Guy 1: look at her walk
Guy 2: yea, she's very pneumatic
by [insert dirty word here] November 30, 2016
Pneumatics utilizes the same theories that hydraulics do, but instead of using oil, it uses compressed air to propel its movements. As of late pnematics has been an increasingly popular in implementation with various eastern european forms of bondage - ask your nearest kinky (sexually starved) engineering student about it.
Person (who finds great delight in pointing out the rather obvious) A: Woah! Check out that super-awesome brakes on that truck/train!

Person (who recites basic knowledge available to the general public through the uses of Wikipedia) B: Oh yea - that's an example of pneumatics at work.
by Agatha Heterodyne November 28, 2011
A nickname for annoying small, yapping dogs who never seems to run out of air, energy or sound.
Those wild and crazy pneumatic barktoys densely populate our entire otherwise wonderful seaside town, wall to wall; everybody seems to have ‘em!
by Dr Bunnygirl September 9, 2019