Sky Balloon

a large balloon that is filled with heated air and that floats in the sky with a basket underneath for people to ride in.Hot air balloons that can be propelled through the air rather than simply drifting with the wind are known as thermal airships.airship, also called dirigible or dirigible balloon, a self-propelled lighter-than-air craft. Three main types of airships, or dirigibles (from French diriger, “to steer”), have been built: nonrigids (blimps), semirigids, and rigids.vulgar slang Breasts, especially particularly large ones.