Noun. Cylindrical light-stock cardboard tube used to wrap toilet paper and paper towels, among myriad other paper and card stock products. Once the paper is exhausted and it is no longer used in its original capacity, it is used to trumpet one's voice around the room or venue in similar fashion to a megaphone.

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.

The cardboard tube inside a roll of toilet paper.

1.) just something to say when bored and have nothing to say

2.) a response to when someone says something extremely obvious

Derder-an kick-ass video company that makes videos for speedball(paintball).

Head-ass, Idiot, Autistic.

1. That springy thing with the rubber stopper screwed into the baseboard behind the doors in your house to keep the door from hitting the wall. 2. The cardboard tube that toilet paper or paper towels come on.
3. Comment on something being stupid.