Answer:

milkshakes

Answer	Crossword Clue
MILKSHAKES	Offerings at some parlors
MILKSHAKES	Dairyman-roofer union result?
MILKSHAKES	Fountain items

MILKSHAKES	Drinks made with mixers
MILKSHAKES	Summer coolers
MILKSHAKES	Ice cream drinks
MILKSHAKES	... what happens in the refrigerator?
MILKSHAKES	What happens during a tremor?
MILKSHAKES	Drinks made with blenders
MILKSHAKES	During an earthquake, in the fridge . . .