1. tweeny - Noun
2. tweeny - Adjective
(tennis) A shot played between the legs; a tweener.
(now historical) A between-maid, or maidservant who helps the cook as well as the housemaid.
tweeny (comparative tweenier or more tweeny, superlative tweeniest or most tweeny)
Characteristic of a typical tween (a child not quite old enough to be a teenager).