What do you do when you run out of contrived nicknames?
The best comment at the website is the first:
Chris must have heard that Mark won't fight dirty. Well played. Well played indeed.
And subsequent strips reveal that Mark is faster than a herd of frightened water Cape buffalo*. Here he is with the buffalo between himself and Lori (whom he claims not to be interested in ... don't lie to Dirty boy!) and here he is way out in front of them (and with Lori firmly in his grasp ... yes, we know something ain't right!).