crazy phsycopath bitch who will kill anyone or anything in her way. frequently given the name alli or kiLLER usually a teenage girl in 9th grade sometimes looking good actually all the time shes really hot and all the boys want to make out with her ok
bitch: ew koller
cunt: SHE'LL KILL YOU
by raqraqho August 20, 2011
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To spend the time and money to travel out of state to watch your undefeated football team play. After all the time and expense, you watch your team lose miserably.
John: "Did you hear about Greg?"
Mark: "No, what's up?"
John: "He burned his vacation time to fly to California to watch the Ducks play."
Mark: "He went there to watch the game? That's cool!"
John: "Yeah, but they were DESTROYED!"
Mark: "OUCH! Sounds like Greg Pulled a Koller"
by Jatsoon December 20, 2013
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A PhD candidate disguised as an undergraduate student
That coop student can translate machine code to OOP. He must be a Yaron Koller.
by notwhoyouthinkim February 21, 2017
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A real mate one of the best shares epic handshake with a Slovenian man named Oslak. He will make you wanna call your mom and tell her your with a top tier Austrian Nigga.
Rav: Ayo Juan where Sean at?
Juan:You mean Sean Koller?
Rav:Yeah
Juan:Mate he’s going crazy, pulled two hoes .
by Purple201 November 14, 2019
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