a word used by malus (malayalis) to describe the tamils which according to them are their brothers (since the tamils influenced the language quite a bit). the word it self in tamil means something like "elderly brother" and the orgin is from sanskrit

can be used in a good way and bad way depending on context
Malu: Namaskaram, nee malayali anno?
Tamil:(confused, speaking tamil)
Malu: (in their head, what an annachi )
by yruhwiejsofkhiurkdsagf August 19, 2021
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Annachi is a congenital disease that causes severe mental retardation. The poor sufferers of annachi make high pitched noises, and have an iq of about 10 (probably do biochemistry or english at university). We should all do our best to support those with annachi in our society.
Dave: haha Tom u bought that t-shirt from oxfam!!
Tom: shut up man, I'm helping out people with annachi.
Dave: hmm ok that's fair enough
by Amit Patel May 1, 2006
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an annachy it is a system by which someone or person are been troble( some one are beeb given restless time)
dont put me in a state of annachy
by prince okamade October 5, 2018
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