Maxtube 

Some nigga that has shitty english. He's probably a nigga that sounds like a kid at the age of 15 too. He really likes to maxturbate in his house while his mom is not watching and teaches people how to maxturbate like him.

Random person: I'm not being friends with a maxtube.

Maxtube by nigga lick 69 September 11, 2020

mantube 

Slang for a mans penis, usually used in reference to homosexual activity.

'' Theres nothing Richard likes more than a mantube''
''My mantubes about to explode, wheres the bathroom''

mantube by Jarrod A July 16, 2008