Oh yes they do! The ass has to be squaky clean to begin with.. but when I use lots of lube and assfuck myself with a dildo, I notice that after awhile a thick white creamy foam starts to develop. This is ass cream.
What the hell is wrong with you? Sometimes I think I post some weird shit on this site, then I read something like this, and it makes me feel better about myself. You need some counseling.