This is when you have that pre-shit feeling of having a damp bum hole... To 'blot a bumhole' is when you don'tactually need the shit (yet), but do need to address the dampness of the said bum hole with a kitchen towlet or similar.
A technique using gel electrophoresis to locate a certain protein. Primary antibodies are used to attach to the protein, then secondary antibodies attach to the primary antibodies to exhibit something that can be viewed. e.g. fluoresce.
The gel commonly used for the blot is a polyacrylamide gel.
When one makes a bowel movement and stands up before wiping; thus, creating an image inbetween one's buttocks similar to that of the Rorschach Ink Blot Test.
Monroe made his ink blot effect concrete when he pulled up his pants and sat back down again.
Billy commercialized his ink blot effect when he headed to the copy machine afterwards and made 100 copies to sell to a psychologist.