Top Definition
To stay in your bed after a heavy night of drinking.
"Hey Ian, What did you do today?

"I ate cheetos in my bed all day"

"Damn son, You're fuckin Crumlin
by Crumlin Cock. December 12, 2009
1 more definition
Food particles that get stuck in a beard.
Megan, do I have any crumlins? Did Jesus have crumlins? Keep your crumlins and eat them later! Jason asked Megan, "Does David have crumlins?"
by Schmeg January 04, 2015

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