n.see gooch. fleshy area between the scrotum and the rectum. Between the penis and the anus thus tweenis. That part you might hit if you fall riding a guys bicycle.
"My friend Kris fell straddling the back of a chair and luckily missed his balls but totally bruised his tweenis."
by Anonymous March 27, 2003
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Portmanteau word, made up of "tiny", "weiner", and "penis". It's an insult similar to calling someone a "dick".
Stop being such a tweenis, dude!
by Goatrider March 17, 2006
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Australian slang for a beer (or drink) one has whilst others in the round drink at a more measured pace. The drink an alcoholic has in between a round.
Justin: Why is Max so thirsty, did he work out this afternoon?
Robert: Nah, Max never works out - he always takes a Tweenie; I like to sip my Summer Sam.
by Irish Dan 3 September 5, 2018
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Wannabe teenagers that aren't old enough to be considered teens.

Usually girls that tart themselves up to look like whores around the age of 8-11. Absolutely horrible

Tell tale signs of being a tweenie are flip phones, big hoopy earrings and awful, awful blue eye shadow all before the age of 13.
Look around your local cinema/McDonalds for an example of a tweenie
by Your Uncle Cordelia September 19, 2006
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Humanoid BBC daytime children's TV characters Bella, Fizz, Jake and Milo. Popular with toddlers and students on drugs, the 'gang' wear ridiculously oversized luminous clothing because their feet and heads are so fucking big. The new Teletubbies.
Q: 'Who the fuck are The Tweenies?' A: They're Bella, Fizz, Jake and Milo
by 50 Nurp February 26, 2008
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The skin that connects the penis to the scrotum.

The "&" in Cock & Balls
by MysticOgre August 22, 2008
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Adjective used to describe prissy, silly, whimsical people...more often than not this applies to teenage girls and their gay counterparts.
I like love it when you get all tweeny and like tell me about like serious thing and stuff like that.
by spclagntscly April 27, 2004
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