tweenis 

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."

tweenis by Anonymous March 27, 2003

Tweenis 

The skin that connects the penis to the scrotum.

The "&" in Cock & Balls

Yeah baby, pinch my tweenis.

Tweenis by MysticOgre October 16, 2008

Tweenis 

a tweenis is part male and female preferably a male cat because it doesnt have penis that hangs out but it doesnt have a vagina either so its called a tweenis half twat and half penis

paws the cat has a tweenis.
people born with both sex parts usually have a tweenis

Tweenis by Chrissy1987 December 19, 2008

tweenis 

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!

tweenis by Goatrider April 17, 2006

Tweenis Envy 

When tween stars such as Justin Bieber instill within you a range of emotions based on jealousy, caused by a misplaced and egotistical belief on your part that it should be you that is being adored, even though in most cases you are 30+ years old, unattractive, and have no discernible talent of your own.

(40 year old woman on the telephone)- "Did you see that Rebecca Black video? I want HER life...I got some bad tweenis envy!"

Tweenis Envy by JayszunVanderwerff July 24, 2011

treenis 

Huge penis that can be mistaken for a tree, the kind of thing you see in modern porn. A penis so big you wonder how any mortal woman can take it.

Holy shit! That thing is huge! If your girl can take a treenis like that, she's ruined forever.

treenis by alfalfa31 July 27, 2009

Teenis 

A very small penis (Tea-nis)

Friend: My boyfriend doesn't want to have sex

Other friend: He probably has a teenis

Teenis by Trash bag69 November 21, 2018