The Devils Semen

Hot mustard or anything containing an active ingredient of horse radish.

"Jeepers! The Devils semen sure tastes good on this here weener"

Devils semen

the mucus that protrudes out of one's lungs after being possessed by any number of microbes and viruses. ie sick. pertaining in particular to the mucus with color variants of the yellow, black, and green-hued variety

I am still recovering from my illness, and dodge being sick for so long.. but i slipped up and now my lungs are filled with the devils semen.