One who doesn't fall in any category of people (cliques).

Fuck Donald Trump

Kid between the ages of 7 and 12. No longer a "little kid," but not yet a teenager; in-beTWEEN.

A young White man confused about his culture and ressembles a Black man. He is in between.. he is a Tweener.

The most bad ass shot in tennis, only real men and women attempt it. It's a between the legs shot.

A clique of people in high school who were not exactly popular, but were not dorks either. They were the cool, smart kids who most people liked, but no one envied.

Often shortened to "tween". Definition is very similar to a goober. One who follows their own path and does things the "other" way. Is a comparable description to someone being weird but not quite as harsh.