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1. anos
the spanish word for anus.
spanish, "yo tengo quince anos."
english translation, "i have fifteen anuses."
2. Anos
The term 'Anos' derives from the acronym 'any need or special', and is used to express animosity towards an

unnecessary action or sequence of events, which can be directed at both conscious personnel and natural occurrences.
Example 1:

Matt: Sorry i forgot to sign the lecture register for you
Rob: Anos

Example 2:

Rob: Looks like cricket will be off today lads, its chucking it down with rain
Nath: Anos