What is Porq?

A shortened form of porque, used among Spanish speakers, to mean why. Also used as a French abbreviation from Porquois.

I couldn't find a bathing suit at the mall today.
Porq?
All the ons there were designed for those ultra-skinny European fashion models ie not me!

Porq - meme gif

The word "pork" with the letter q substituted for the letter k.

He erased the letter k and added a q; the word now read "porq."