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1. Septic
Cockney ryhming slang for a yank (american). The whole phrase is 'Septic Tank' - but as with most cockney ryhming slang the first word is used only. The reason for the link is that, like a septic tank nobody likes a filthy stinking american!!!
What are you fucking shooting at me for you filthy fucking septic cunt, im on your side!!!!
by Stan Feb 18, 2004 add a video
2. septic
An American. Ryhming slang "yank" = "septic tank"
Used a lot in the London financial markets.
The septics sit in the big glass offices and do nothing.
by Crouchy Apr 1, 2003 add a video
3. Septic
Septic is rhyming slang for american.

Septic is short for septic tank, which rhymes with yank....

So If you say you are anti septic, it means you are anti american!
My mate barry is an anti septic!
by Ellie Nov 30, 2003 add a video
4. Septic
Yanks.

The kind of idiot who votes a thumbs down to a perfectly good slang word definition, just because they havent heard it in their neck of the woods, and probably has a brother called "Troy" or some such nonsense. You know who you are, you mugs!
Who voted a thumbs down to my defition of "mug"?

Probably some idiot septic!
5. Septic
Affectionate name used by Glasgow Rangers to call their city rivals Glasgow Celtic.
I see The Mighty Gers pumped Septic 3-0 at the weekend again!!
6. Septic
Emily Suzanna Koelle is the definition of a septic
Emily Suzanna Koelle is a septic
7. Septic
1.cool, sick
2. peng, fit, hot
Girl 1 - Gurrrrrl that shirt is septic!
Girl 2 - Thanks honey, you're looking pretty septic yourself
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