Jason grins at the comment, only glancing at Spike out of the corner of his eye. "Don't I know it."

Possibly Spike didn't mean it that way, but he figures on the probability of recognition for the rest of the night, and if Spike hadn't recognized him, well, it still works as far as conversation goes and is perfectly in line with his persona du jour.

"Another crowd like this, maybe I'll do an all comers."

Unlikely. Even with a bunch of doofuses like the two in the ring, all it takes is one competent asshole to ruin everything.