Definition of barbies:
(n) :
(Australia, New Zealand, UK, informal) A barbecue (apparatus for grilling).
(n) :
(Australia, New Zealand, UK, informal) A barbecue (event: cookout).
(n) :
(informal, pharmacology) A barbiturate.
(n) :
A tall, slender female fashion doll.
(n) :
(by extension, informal, derogatory) A beautiful but stupid or shallow young woman.
(n) :
A diminutive of the female given name Barbara.