A master of dingleberries. This individual has a depth of knowledge pertaining to the study of shit crumb entanglement in ass hair. He or she has a complex understanding of the etiology of this common complaint. Their understanding of dingleberries extends beyond the experience itself and delves into the incidence, prevalence, regression, growth, and essentially ubiquitous nature of this process.
Matt is a fucking dingleberryologist; that kid really gets it when shit gets stuck in your ass hair.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.