A slang for a person from Pakistan, its generlly used in context to [degrade] [Pakistanis] comparing them [to Pig] (Pork) since it is common practise in Pakistan to marry cousins
the word generally used in address of [pakistani] or muslims as a derogatory remark ,
generally mulims or all pakistani hates pork , as it is [haram] in [islam] , so to make sarcastic and abusive , the word porki is used