by webunknown April 16, 2020

same as yogurt tube
by Chingachguk October 26, 2017

The tube in the neck where assholes spew an overwhelming amount of ignorance, can also be the place that people shove food into known as the Nutrient Chute
by Genderlessbork April 21, 2018

by Sweet As Gold May 3, 2018

A noob tube is an under barrel grenade launcher such as a M203 for English and American guns or GP-25 for russian and german guns
by Noobers March 19, 2012

by Pattybasc February 28, 2018

The act of opening two web browsers to watch two youtube videos at the same time, or to watch a vid while uploading one.
Girl: you gotta see that new video on youtube!
Boy: but i'm uploading something important!
Girl: then start double tubing!
Boy: but i'm uploading something important!
Girl: then start double tubing!
by TehEpicGuilmon August 19, 2010
