What is Chopa?
1.
Chopa kinda means "low class" girl, or one with bad taste (flashy, colorful clothes, lots of makeup... very whore-like). CHOLA means the same...
Mierda, que chopa, coño! (trans: Damn, what a "chopa"!)
2.
Origins in Jharkhand,India. Slang for being in a situation where things go unexpectedly wrong.
"O what a chopa! I went for the exam and when I reached there I realized its Sunday & the exam is tommorrow!"
See
3.
Winging Pom