what is the benchod?

in hindi this means fukc ure sister…its higly offence in asia particualrly in india or pakistan, however I find asians(British pakistani, British Indians) using this all the time…it’s a common slang and apparantly a popular won with asian girls,, I found this quite starnge when I heard this at first ( well its like saying “Your my bit*h” to your girlfriends- amongst girls ofcourse!!!) but I could be talkin about a dissimilar word, but 99% in hindi it means fukc ure sister…what context was this said!!??