Trouser Trail 

The trail of hair of from the belly button to the pubic area.

-On guys :)
-On girls :(
- Also known as a "Happy Trail"

The hair from Zach's trouser trail was caught in his zipper.

Trouser Trail by ZACH BAMF June 22, 2008

Trouser trailer 

The unfortunate and unintended phenomenon whereby an attempted fart and dart is performed too rapidly, resulting in the perpetrator being followed by his or her own brown cloud around a public place, leaving little or no doubt as to the initial deliverer of said methane.

Jesus Mother of Christ, that trouser trailer could only have come from the bloke over the other side of the shop! If he'd timed it a split second later he'd have pulled off a classic fart and dart!

Trouser trailer by Network Synergies Mgmt September 27, 2011

trailer trousers 

trailer trousers
(trey-ler trou-zerz)

–noun ( used with a plural verb )

1. Also called trailer slacks. A loose-fitting pants of soft, absorbent fabric, as cotton jersey, usually with a drawstring at the waist and close-fitting or elastic cuffs at the ankles, commonly worn during athletic activity and often referred to as; sweatpants. However, also commonly worn as formal wear in most American mobile home parks. They are often purchased at WalMart in various colors and offerred in three sizes; XL, XXL, and XXXL. They are worn to parent/teacher meetings, funerals, social service offices, probation offices, etc. Trailer trousers are often accompanied by that unique cigarette/wet dog fragrance.

The knot in Bobbie-Sue's trailer trousers kept her from losing her virginity to her cousin.

trailer trousers by GrayRider February 28, 2011