it means that their booty goes up and down
it has a high buoyancy level
Buoyancy is the ability to float, so if the density is high, it'll hold up something. (see? FLOATING. BUOYANCY.)
High buoyancy=easy to float
Elevation is the term for how high something is above sea level.
The phrase "the tide is high" usually means that the water level in the ocean is at its highest point in the tidal cycle. It can also be used metaphorically to suggest a feeling of buoyancy or optimism.
Sea level is a standard 'height' from which you can measure the relative height of objects (ie. cities) as such, high above sea level would refer to something 1,000+ metres above sea level... or whatever definition you think appropriate.
High level disinfection is when something is disinfected very well where there are no germs left.
Usually means a parasitic infection most common is whip worm. Can be something more serious though.
The prefix 'archi-' means chief, principal, or first in rank. It is often used to indicate something that is of a high level or superior.
you have high blood sugar... get that checked
"Fits you to T" means that something fits perfectly or is exactly right, as if tailored to your specific needs or preferences. The expression emphasizes a high level of suitability or precision.
It is the degree of the level of a poison or toxin in something. Such as: The well water has a high toxicity level.