Rush

rush is:

• In general it implies something that happens quickly.
• also called an adrenaline rush, is an energetic and slighly euphoric feeling that occurs when something scary or dangerous happens. Recreational drugs can bring on or intensify this kind of rush.
• In music, it's to play faster than the indicated tempo. Rushing is usually accidental and undesirable.
• In American football, rushing describes two different actions. See rush (football).
• a musical band. See Rush (band).
• In botany it is a semiaquatic grass-like plant of the family Juncaceae. See Rush (botany)