The phrase "wiping his nose" is a slang term that has risen to popularity recently, especially on social media platforms and in song lyrics. This phrase has multiple interpretations. However, in most contexts, the phrase is used to refer to committing a violent act, often a retaliation. It is good to remember that slang can often be coded and regional, and meanings can change regularly.
Still, it's best to use such slang cautiously and within context, as the meanings can vary greatly depending on the community and circumstances in which they're used. Note that using such slang without a clear understanding of its meaning may lead to miscommunications and potentially extreme offense.
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