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Kaiser is a german title indicating "Emperor"
A female equivalent in contrast is named 'Kaiserin' (Empress)
The Holy Roman Emperors (962–1806) proclaimed themselves Kaiser.
by Climb Razor July 02, 2010
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Franz "Kaiser" Beckenbauer.
Greatest fussball-player and coach ever.
Led Germany 1974 and 1990 to the world-championship.
Look dude, there's the Kaiser.
by Fritz Schnackenpfefferhausen November 04, 2005
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1) To be caught masturbating; esp. by your college roommate

2) To masturbate
I thought my roommate was out of town, but he came back in the room and totally kaisered me.

I am going to kaiser until I can’t walk!
by Duke of New Orleans March 14, 2006
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A slang term for people who are arrogant, full of themselves, and real faggety. Fag bags!
"Dude, that guy is such a kaiser!"
"You are totally kaising out man!"
"You are such a kais!"
"Sorry for getting all kaiser on you"
by rotohomo March 17, 2009
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The ruler of Germany. The line ended when Kaiser Willhelm fled to the Netherlands, thus ending the first world war.
The greatest trick the Devil ever pulled was convincing the world he didn't exist - regarding Kaiser SozΓ©
by Gumba Gumba April 10, 2004
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To be caught masturbating.

To masturbate.

Named in honor of a certain individual at PHS, who had a hard time keeping his pants on.
I went eleven days without kaisering, and when I did, I blew the roof off.

That was a tough workout, I'm gonna kaiser as soon as I get home.

I had a ton of studying to do, and I couldn't stop myself from kaisering to relieve stress.
by Boo Radley of Penfield March 26, 2007
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To spend an entire night trying for a girl only to go back to her place and reject her advances because you'd rather get to know her better first.
Guy 1: Yo I had such a good time with this girl last night.
Guy 2: Ohh nice, so you got it in?
Guy 3: Nah man I totally Kaiser'd her. Why won't she text me back!?!
by Wifin on the phone gimme $20 November 03, 2011
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