grit lock 

n: The solid,still edible mass formed when reconstituted grits have sat without stirring and, often, without heat.

Dude, why'd you serve me grit lock?
If you'd been on time, it'd be creamy and delicious.

grit lock by Glenalogy March 20, 2014

Gritlock 

Inflammatory bowel response brought on by two or more days of heavy alcohol consumption paired with the ensuing drunken breakfasts

What's up Chad... Dude Garner was a blast but I got a badass case of gritlock.

Gritlock by PAreal July 27, 2018