Top definition
The unwanted build-up of people standing/mingling in hallways of schools, offices, and public places that causes restriction of the flow of people.
"Sorry I was late Mr. Turnbaum, I got caught up behind some Hallway Cholesterol."

"Due to the amount of hallway cholesterol at my school, I have been late to class every day this week."
by ParCib9494 October 18, 2011
Mug icon

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