What does cobra slang is an evil poison mean?

“Cobra” in slang usually points to something dangerous, toxic, or harmful, and “evil poison” intensifies that idea into a metaphor for a very destructive person, situation, or influence.

In plain English, it usually means one of these:

• A person who is seen as manipulative or bad for others.

• A situation that feels dangerous, corrupt, or toxic.

• A dramatic insult, not a literal statement about poison.

Natural meaning

If someone says “cobra is evil poison,” they are probably trying to say the thing or person is extremely harmful, sneaky, or destructive. The phrase is more about attitude and imagery than dictionary meaning.

Example

• “That group is like cobra evil poison” = “That group feels dangerously toxic and harmful.”

If you want, I can also explain whether this sounds like a regional slang phrase, internet slang, or a mistranslation.