sheenager 

a middle- aged individual, most commonly male, who, in full swing of midlife crisis, exhibits the type of behavior characterized by Charlie Sheen.

ah, sheenagers these days!

sheenager by jennadeck March 18, 2011

Sheenery 

Used to describe anything absurd and nonsensical.

Derived from the surname Sheen.

absolute Sheenery: "I'm tired of pretending that I'm not a total bitchin' rock star from Mars."

Sheenery by laaarousse March 22, 2011

senager 

senior citizens acting like teenagers.

The two senagers were holding hands, flirting with each other and giggling, not caring if anyone else was in the room with them.

senager by KKLC January 7, 2009

Shenanery 

N,
Often used to describe the act of comitting shenanigans. However, it is most often used to describe the act of comitting many shenanigans or comitting one shenanigan that results in shenanarchy.

His countless acts of shenanery have degraded the standards of discipline in the unit and we are left in a state of compete shenanarchy....Shenanigans

Shenanery by ScubaNinja September 19, 2007

smeenage 

A word that means whatever you want it to mean. Eg. You are a smeener

You can use it in different contexts, for example, in song lyrics...
'Smeenge me up before you go go'

'You are a smeener'
'No I'm not'
'You definitely are, I can sense the smeenage'

smeenage by palmernator8 November 3, 2014

screenager 

a teenager who loves to watch the small screen in front of him/her.

John is a screenager who does nothing but play computer games and watches TV, it's little wonder that he failed his exams.

screenager by [boo-boo] July 1, 2003

Sheenery 

The view from the window of a private jet as you are blown by 2 porn stars while snorting coke off of a model's ass.

It was a long flight but the Las Vegas Strip made for some beautiful sheenery.

Sheenery by Pepper Shakin' March 17, 2011