Noun: grundle for brunch! You can get your favorite brunch items at the low-budget, saltpeter, indigestive quality, that you have come to so adamantly despise yourself for eating every day, on Saturday and Sunday mornings at the grundle.
Verb: The act of consuming grunch.
Noun: "Did he even take you out to grunch the next morning?"
Verb: "Dude, I'm wicked hungover, lets go grunch!"