Someone you look up too or is older than you.Karate teachers etc.are often called 'Sensai'
Friend 1:I hate this class!
Friend 2:Shut up Sensai will hear you!
by Lenka Kagamine November 22, 2014
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someone who has taught you most of what you know
on any matter
damn, i just can't get past this level better hit up the sensay
by reyeskid April 29, 2007
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He who is one with himself that everyone aspires to be.
My friend, Freddie, is the penultimate masturbator who everyone else wants to learn from. So he is known as Sensai-Bator.
by RemiDidIt June 4, 2017
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A driving instructor, an adult that'll drive with you when you have your learners permit, and/ or anyone teaching you how to drive from the passenger seat.
Person A: Hey I heard you got your permit, lets go somewhere
Person B: Nah I can't, my mom won't be Shotgun Sensai.

Person A: Wanna go to the mall friday?
Person B: I can't, I have a lesson with my Shotgun Sensai.
by Dizzymisslizzi April 3, 2009
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To hold your dick in both hands and slap your beloved across the face, as if you were chopping off their head.
"Hold your head up so that I can't Sensai-Slap you with my sword!"
"Jack Sensai-Slapped the shit out of me the other night and I can't move my neck!"
by toastanddogs September 1, 2015
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A big pp'd uwu femboy who is also a giant prick and eats alot despite being thinner then a fucking lampost
Person1: is that kaiba-sensai because that dude looks like a prick
Person2: could be let's go ask
by Kaiba-sensai April 25, 2021
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Gay, but a good mod
Spork Sensai is cool
by Royal Cline December 14, 2003
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