Answer:

pop

Answer	Crossword Clue
POP	.. for (buy)
POP	..-up (infielder's chance)
POP	Grammy Awards category

POP	Weasel word?
POP	Type of quiz
POP	Household name
POP	Mainstream
POP	Small store co-owner?
POP	Grammy genre
POP	Death of a bubble
POP	Break, as a balloon

POP	Emulate the weasel?
POP	Musical genre
POP	Sound (off)
POP	Weasel sound?
POP	Soda
POP	Mom's mate
POP	How the weasel goes?
POP	Word with art or gun

POP	Like some quizzes
POP	Spring (for)
POP	Toaster finale
POP	Appear unexpectedly, with "up"
POP	Balloon-breaking sound
POP	Mom's business partner
POP	Rice Krispies sound
POP	Music store section

POP	Top 40 genre
POP	.. psychology
POP	Break noisily
POP	Daddy-o
POP	Burst open noisily
POP	Fun-with-bubble-wrap sound
POP	Jack-in-the-box sound
POP	Weasel's sound?

POP	Bottle-uncorking sound
POP	Unannounced, as a quiz
POP	Kind of culture
POP	Sound of a balloon's demise
POP	Weasel's noise?

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.