c.is.for.celeritas's definitions
The unnaturally pronounced oscillation of the ass during motion such as walking/running. Can be seen in models strutting down the runway, toned high level athletes, etc. Similar to the way a cheetah's shoulder blades oscillate when stalking.
Damn, that girl's got some assillation going on. Look at that booty go!
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Those speedskating suits don't leave much to the imagination! You can even see the assillation!
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Those speedskating suits don't leave much to the imagination! You can even see the assillation!
by c.is.for.celeritas November 1, 2010
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