Tween Spastics 

The escalating sound produced by a large group of tweens. At first, the sound is a light chatter. Then it grows in intensity and the frequency changes to a squeal. Eventually the incoherent ramblings of these little pricks drowns out all ambient background sound until you get a massive migraine.

After my buddies and I walked out of the movie theater we noticed a large group of tweens waiting around for mommy and daddy to come in their BMWs & Lexus to pick them up. Their tween spastics were so deafening that we started to bleed from our ears.

Tween Spastics by Cheesus Crust on a Cracker November 14, 2007

Tween-leg Area

1) Anatomical region located at the junction of the left and right leg, generally associated with the location of male and/or female genitals.

Man, I should kick you in the tween-leg area for saying that to me.

Tween-leg Area by anon5552222 December 3, 2009

'tween meat 

The section between a man's balls and asshole.

She was surprised at his reaction when she licked his 'tween meat.

'tween meat by JDfool July 26, 2012

Shi-tween-to 

Old Japanese Phrase.

It means "Shit between your toes." and is used in context of "It can't be worse than having shit between your toes."

Was first used after the first and greatest emperor of Japan walked into the Celestial Garden, forgetting about God's dog; Amaretsu, and it's enormous shit piles.

Japanese factory owner- Oh my god! This is the worst day of my life! My whole buisness is gone! All that work wasted.
Japanese factory worker- At least no Shi-tween-to, huh?
Japanese factory owner-... Hm, yeah, I guess not.

Shi-tween-to by uwanttruthitellz May 10, 2009

Pre-tween 

A child younger than ten, who is beginning to exhibit some of the behaviors usually associated with pre-teens or tweens (ten- to twelve-year-olds).

Hana gave her father the pre-tween hairy eyeball look.

Eight-year-old Mary was rapidly becoming more pre-tween, watching the Disney Channel nonstop.

Pre-tween by stonequay January 2, 2013

conservative tween

A gradually growing instagram account that surrounds politics and memes.

Did you see the debate that Conservative Tween was in?

conservative tween by freakyfreach January 12, 2017

Scene Tween

A person under 13 who wears bright skinny jeans, who abuses eyeliner and parts their hair far over on one side.

"My little sister is so weird," Joe said.
"Why?" Bob asked.
"She's such a Scene Tween," Joe replied with a sigh.

Scene Tween by Joe the Hoe November 28, 2012