Noun, Idioms: A lie that is obviously a lie but is still denied by the liar to be false
noun, "He climed he had three jets but the killianism wasn't accepted as true"

idioms, "He gave a killianism to his friend about how he scored a 400 in bowling the other day"
by Jack Cross October 22, 2009
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The term commonly used when jokingly breaking up with someone
"I'm breaking up with you"
"WAIT WHAT!!!"
"It's just a prank, you have just been Killianed"
by MattyBRapsPrank November 07, 2016
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He will change you. He’s really good with words, wise and kinky😂. Supremely loyal, talented, and smart when he wants to be... biggggg freak. But unfortunately he has walls, doesn’t let bet a handful in. He reads this website quite a bit actually and that’s why he’s reading this😂😂. Don’t let Killian our of your life, he’s really fun and caring. He’s the one who will make the difference. the Bronx tale says it’s an Italian thing where you have 3 greats, little do you know it’s a real thing. But He’ll make you not want to meet the other two. Fantastic personality. When you give him Killian’s Irish ale he will give you a nervous chuckle and smile. Killian’s are grateful for what they have because deep down inside he’s thinking about everything possible. He’s a great dude. I hope you find a Killian because there easy to miss but hard to replace.
by The.tea.is.real June 17, 2019
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Killian is typically an alcoholic or a stoner besides that he is fun to be around hilarious and a good kisser. See James Franco
Yo, invite Killian he'll hook us up with whatever we need
by AAAQ November 04, 2013
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A kid who is does not take shit from anyone and does not like when people make references to the alcoholic beverages that carries his/her last name. Also complete stoner.
"Man dont fuck with that guy, he's a killian"

"Never smoke with those killian's, they will smoke you dry"
by Cody Killian April 26, 2009
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