ちゅうがえ宙返chuugaeりri
1.
The act of propelling oneself into the air and performing a rotation of the body, often seen in gymnastics or acrobatics, resulting in landing back on one's feet or completing a trick.
2.
A maneuver performed by an aircraft where it rotates vertically while in flight, often used to evade an enemy or change direction.
Example:
宙返りするジェットコースターに乗ったら、気持ち悪くなっちゃった。