A joke term making fun of Anarcho-Primitivists. Due to the fact that Anarcho-Primitivism opposes many human advancements, people who follow the ideology are commonly mocked as primal humans. Since primal being are uncivilized, and known to sling their shit, this is where the term comes from.
A person of the male or female variety who throws extreme amounts of bullshit your way. This person is usually shady as fuck and should be avoided at all costs. This could range from your coworker who swears they didn't take your moms homemade lasagna out the break room refrigerator to that crack head crazy bitch you used to know in highschool.