Sloppy tube 

It is when you are lickin the toes. Grab some toothpaste, and smear it all over ur penis. You than, insert said penis into mouth, and brush her teeth. With your penis. This, this is the sloppy tube. BumBUMBUMMMM

I no longer need to go to the dentist, cause I've been exposed to the art of Sloppy Tube
Thats so hawt I want to try that with MY uncle.

Sloppy tube by greeneggsnshmeegle March 14, 2018

Sin Tube 

Slang for penis

Damn! I can’t believe how big his sin tube was!

Sin Tube by SassyPants0525 May 29, 2018

Pee-tube

A penis (male genitalia) that hasn’t been used for sex in over a year. Masturbation does not count. It must have been deep in a pussy, with or without a condom. It is only been used to pee.

OMG! Why is your pee-tube showing, it not like anyone going to use it.

Pee-tube by AlwaysGloris June 12, 2018

death tube 

a unique term used almost solely when referring to the walking tunnel at Lakeland Community College

When my class in the A building was over, i used the death tube to walk to the T building.

death tube by yourbootsarecool August 28, 2018

Blood tube 

A part of your anus,known as the rectum

I wanna stick my fingers in yo blood tube tonight

Blood tube by Hugh.G Rection April 15, 2019

Noob tube

A grenade launcher or rocket launcher noobs use in cod. Also is a item in the best game ever created called roblox which shoots noobs at people

Noob:I has a grenade launcher
Pro guy:you fucking noob you suck stop using noob tubes and learn to aim and quickscope you fucking faggot cunt
Noob: :(

Noob tube by Lazylittlebastard May 30, 2019

Smooth Tube 

A Saxophone.

Nathan: Hey, what instrument do you play?

Jayden: The Smooth Tube.

Nathan: Nice.

Smooth Tube by GiveMeTheNoodles April 23, 2020