Master of Hentai. Tends to spend all free time watching anime porn. But you can't be just any watcher of hentai. To become master you must wank uncontrollably for an entire day. Then and only then will you be Hentai Senpai.
Boy 1: Hey look at that nerd over there! I bet you he has no friends!
Boy 2: Are you kidding? That's Hentai Senpai. He may not have friends but so many guys look up to him! I can't wait til I can one day become like him!
Boy 1: He's still a nerd.
by silverwin February 13, 2014
Get the Hentai Senpai mug.
A hentai senpai is a master of hentai who knows more then the average weeb about hentai
Hey you see that guy he is the hentai senpai all the guys look up to him
by Notorious senpai December 7, 2019
Get the Hentai senpai mug.
One of the newest most deadliest insult known to mankind in the history of the universe and omniverse extremely deadly to gayzz
Billy: your mom gay
Jimmy: ur senpai hentai
Billy: * spontaneously combusts creating a black hole that leads to the 3rd dimension where heaven and hell are combined making the world a homosexual frenzy of people being gay and demons and angels hooking up*
Jimmy: L M A O
by devon gay April 5, 2018
Get the ur senpai hentai mug.