Trouserection 

When you sit down with trousers on, and the fly sticks up forming the erectionesque shape.

Girl: LOLOLOL Erection!!!11
Guy: No...Trouserection.
Girl: Closet Gay.

Trouserection by AnnoyedBlackGuy August 15, 2007

Trouser Ghost 

When you emit toxic fumes from your behind, and it comes out of your trouser leg.

Emma: ... can you smell that?
Fred: Yeah, sorry, trouser ghost.
Emma: ew.

Trouser Ghost by TwoMuffinsInAnOven November 7, 2009

Trouser Yetti

Slang term for a man's penis.

Refers to a penis that is large, hairy and illusive.

Charly is about to take his trouser yetti for a walk.

Trouser Yetti by phantaxtic August 11, 2014

Trouser omelette

To take a direct shot to the nuts

Dude that dodge ball made a trouser omelette out of that guys nuts

Trouser omelette by Mzavy January 13, 2016

Trouser Snake 

The "erectus trouserous" or otherwise commonly referred to as "trouser snake" is the worlds MOST dangerous snake. It is fang less, the average length is 5-6 inches, although some are said to reach 8 inches. Colors vary from pink to black. It usually attacks women in the mouth or lower abdominal area. Its highly venomous spit can cause swelling that lasts about 9 months. Some species area also known to attack men from behind.

I went to a party last night and walked in to a room where a girl was being attacked by a trouser snake!

Trouser Snake by Unknown_User1 April 4, 2010

Trouser Clam 

A vagina with an odor like rotting fish.

Holz: What scent can cover the heady tuna scent wafting upwards from my delicate trouser clam?

Bronwyn: Why my dear, you should try spraying your cooter with the fabulous new perfume from the House of Rancé, Next Age Plaisir.

Trouser Clam by indig0daisy December 21, 2008

trouser tent 

Used to describe the look created when a man has an erction that shows by making a bulge in his pants.

Adam popped a trouser tent sitting in our sex education class.

trouser tent by DJP August 23, 2003