The rowdies cheer and give Xellos thumbs up all round. They punch each other in a companionable fashion and call for more beer to go with the pizza.
Uh-oh! The ever-so-helpful voice in his head says. That's my cue to exit! Rincewind looks panicky. All right, more panicky. "What?!" he yelps. "I didn't forget, just..." he pounds on his forehead, trying to get the voice to come back and remind him of what he's forgotten.
Ah well, Rincewind only has UN-common sense. That's his problem. *snort*