An ordeal that lasts a short amount of time, but requires a great deal of skill and concentration to successfully manage, especially near its completion.

Named for the climax scene of Star Wars Episode IV: A New Hope.
"A week of exams with Physics and Calculus on the last day; that's one hell of a trench-run!"
by Jacob Gibbs June 24, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
Top Definition
Esp. with a large woman, lay the pen0r between the ass cheeks and masturbate with them. Just before you ejaculate, say "Use the force Luke", and then spread and aim for her exhaust port.

Extra points for painting the pen0rlike an X-Wing and your balls like Tie-fighters.

Deduct points if you bullseye her "whomp rat".
"I did a trench-run on Lisa last night, she growled like a wookiee"

by Zippo August 08, 2003

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt