Schlummer

Someone who often schlums on themself.

Peson 1: I am such a schlummer. I schlame so hard all over myself!
Person 2: Oh? I also love schlumming, but I have never tried to schlum on myself.

Schlumming

When having an orgasm by using snot as a lubricant.

I am schlumming

Person 1: What did use my snot for yesterday?
Person 2: I used it to schlum all over me