celebration β A celebration is a special enjoyable event that people organize because something pleasant has happened or because it is someone's birthday or anniversary.
enjoyment β The state or process of taking pleasure in something.
joke β something said or done to provoke laughter or cause amusement, as a witticism, a short and amusing anecdote, or a prankish act: He tells very funny jokes. She played a joke on him.
pastime β something that serves to make time pass agreeably; a pleasant means of amusement, recreation, or sport: to play cards as a pastime.
pleasure β the state or feeling of being pleased.
sport β an athletic activity requiring skill or physical prowess and often of a competitive nature, as racing, baseball, tennis, golf, bowling, wrestling, boxing, hunting, fishing, etc.
absurdity β the quality or state of being absurd; nonsense
ball β A ball is a round object that is used in games such as tennis, baseball, football, basketball, and cricket.
blast β A blast is a big explosion, especially one caused by a bomb.
buffoonery β Buffoonery is foolish behaviour that makes you laugh.
cheer β When people cheer, they shout loudly to show their approval or to encourage someone who is doing something such as taking part in a game.
relaxation β abatement or relief from bodily or mental work, effort, application, etc.
riot β a noisy, violent public disorder caused by a group or crowd of persons, as by a crowd protesting against another group, a government policy, etc., in the streets.
romp β to play or frolic in a lively or boisterous manner.
solace β comfort in sorrow, misfortune, or trouble; alleviation of distress or discomfort.
tomfoolery β foolish or silly behavior; tomfoolishness.
treat β to act or behave toward (a person) in some specified way: to treat someone with respect.
whoopee β make whoopee, to engage in uproarious merrymaking.
big time β You can use big time to refer to the highest level of an activity or sport where you can achieve the greatest amount of success or importance. If you describe a person as big time, you mean they are successful and important.
good time β time deducted from an inmate's sentence for good behavior while in prison.
high jinks β boisterous celebration or merrymaking; unrestrained fun: The city is full of conventioneers indulging in their usual high jinks.