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Adjective :
Slang-
.To do something that effects many people in a negative way.

.to cause a sorrow, anger, or confusion in a way that ot causes a chain reaction

.intend to create comotion

.to be intoxicated to the point of sweating the alcohol through your skin or becomong very ill
She is so septic I could no longer be her friend.

My septic roomate ruined my couch lastnight.

His actions were so septic she wanted to leave town.
by Cort's Aunt Ella October 07, 2015
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British cockney rhyming slang for a Yank (a Yankee, an American). As in 'Septic Tank Yank'. I'm told by my British friends the origin of this was the British military, where in WWI American infantrymen exhibited the worst of the worst language, and talked a lot of crap. But being from California, I remind them that I'm about as Yankee as an Australian is a Brit. Calling everyone in America a Yank is really ignorant. The British say Septic, while Australians generally say Seppo (compounded ignorance).
"(The septic..,) Giving the British the synthesizer was like giving whiskey to the Indians - it ruined a nation. - jps"
by jpsully October 25, 2008
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Emily Suzanna Koelle is the definition of a septic
Emily Suzanna Koelle is a septic
by Colin Mallon January 26, 2011
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verb.: an event that has been dissatisfactory
adj.: bad; gross; dissastifactory; smelly
ex 1. That dance was the most septic thing I've ever been to.
ex 2. Latoya's septic attitude has become so annoying.
by jo jo jo bitch bojangles August 13, 2006
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To become intoxicated to the extent that a person can no longer stand up and their words are poorly enunciated. Usually a time like this a person would be making a serious fool of themselves, or be involved in something they will seriously regret tomorrow morning.
Tom: Jesus boy u were quite septic last night!
Henry: I Know, I dont really want to hear about it.
Tom: Remember when you got stuck in the cubical with that ugly fat bird you were shifting all night?
Henry: What? Oh God!
Tom: Ha Ha, you septic fool! Don't you remember!? you had your pants down at your ankles at the time making many attempts to pull them back up but gravity wasn't your friend last night!! Ahhh ha ha ha ha ha!
by Thomas O'Brien August 23, 2007
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An adjective denoting the categorical suckiness of anything considered; a direct antithesis and negative reaction to the popularization and ubiquity of the word "epic" which is normally applied to anything that is considered awe-inspiring, breath taking, illuminating, etc.
2Pac - Heard that new Lil' Wayne joint?
Bigge - Yeah, that shit was septic. It really sucked.
by Craig an' Nem February 19, 2011
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1.cool, sick
2. peng, fit, hot
Girl 1 - Gurrrrrl that shirt is septic!
Girl 2 - Thanks honey, you're looking pretty septic yourself
by anon48483229jj December 01, 2010
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