The act of defecating, in this instance a particularly offensive shit, which leaves you red faced and blaming Muslims/Mexicans for the hot as fuck food
- Rhyming slang Having a 'Dump', Having a 'Trump', Having a Donald
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.