scat: singing jazz; the singer substitutes nonsense syllables for the words of the song and tries to sound like a musical instrument
expressive style: a way of expressing something (in language or art or music etc.) that is characteristic of a particular person or group of people or period
nim: game in which matchsticks are arranged in rows and players alternately remove one or more of them; in some versions the object is to take the last remaining matchstick on the table and in other versions the object is to avoid taking the last remaining matchstick on the table