Although the "official" definition is a person who takes care of the main free at a place of work The "urban" meaning would be, a person who doesn't play an important role in a gig but adds like they're the shit, (acting like the core of something but withlittle to no contribution).
A cover name for the act of smearing bodily fluids all over one's face. This act most commonly occurs directly after a dirty movie or an intense workout.
Brock: "I'm ready for some water practice. It gives me such an overwhelming sense of fulfilment."