Spermatozoa that has dried on a fabric or carpet or anything else.
"Damn when my wife sees all the protein stains on our new bed she'll know I've been fuckin' around'
63👍 28👎
Something that does NOT come out with just shampoo. Very sticky, irritating, but not flammable
Hey harry, this protein stain tastes nothing like caviar!!!
10👍 27👎
i went to a hotel and there were protein stains on the sheets... disgusting
16👍 6👎