Is there a difference??
I read some of these posts that are so obviously tongue in cheek....and then on the other hand I read where someone tries to come over as funny, but you can feel the border line animosity dripping from every word!!!
To me, there are some who just have knack for it and others who get too defensive! And then, you always have the one who THINKS they are funny, but all their posts just end up making them look silly!!
IMO...smack talk is all in fun, trash talk - not so much so!!!