lung cookie by d-girl23 on May 11, 2009 21:30:26 a large amount of mucus that you cough up usually when you are having sinus problems Example: Man:Did you see the size of that lung cookie I just coughed up? Woman:No, that's nasty!
lung cookies by Dana Faulks on Jan 11, 2009 12:44:54 The chunks of mucus that you cough up when you have a chest cold. Example: Dude, hold up, I gotta spit out these lung cookies i've been baking!