Answer:

milkshake

Answer	Crossword Clue
MILKSHAKE	Ice cream treat
MILKSHAKE	The Eagles' "Lyin' .."
MILKSHAKE	Soda-fountain offering

MILKSHAKE	Straw home?
MILKSHAKE	Ice cream drink
MILKSHAKE	Parlor cooler
MILKSHAKE	Soda-fountain drink
MILKSHAKE	Malted's relative
MILKSHAKE	Frothy concoction.
MILKSHAKE	Jerk's creation?
MILKSHAKE	Black cow's relative

MILKSHAKE	Frosty's relative
MILKSHAKE	Egg cream relative
MILKSHAKE	Blender beverage
MILKSHAKE	Fountain treat
MILKSHAKE	Drink that might be served with a metal cup