Wiktionary
bruncher
n. Someone who eats brunch.
Usage examples of "bruncher".
The pub was filled with Sunday brunchers, most of whom had just fled mass and were now making a joyful noise unto the pint.
Only a thin gathering of brunchers and featherheaded rockers hunched at sidewalk cafés, mixing with coke whores, call girls, and call boys trying to shake off the night before.