interjection
Exclamation indicating (now often sarcastic) excitement or enthusiasm.
adjective
Causing or marked by excitement, enthusiasm, or showiness.
noun
A commotion or frenzy of activity or excitement.
An event marked by such commotion, activity, or excitement.
(horse racing, uncountable) A style of racing in which the jockey establishes an early lead and then runs as fast as possible.
(motorcycle racing or car racing) A bump in the track that causes a vehicle to become briefly airborne.