Tween case is an obnoxious mix of Pascal case and Camel case invented by tweenage girls and adopted by WoW players throughout the world. Proper Tween case involves capitalizing alternating letters, without regard for punctuation or proper grammatical rules. It may also involve the use of trendy tween acronyms and annoying amounts of exclamation points.
Tween: OmG i CaNt BeLiEvE nObOdY eLsE wRiTeS lIkE tHiS!!!!!!!!!!!!!!1!!!
Mom: You really need to quit using that annoying tween case, it takes me twice as long to read your texts.
by phantomztrain November 2, 2015
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