Booger plush cluster Booger plush cluster Booger plush front Booger plush angle Booger plush side Booger plush back Booger in hand Size Specs Booger (Mucus) 4.9 star rating 18 Reviews Dried nasal mucus is what we call boogers. Mucus is vital to your immune system since it catches wayward microbes before they reach your lungs. Surveys show that most people admit to picking their nose! Picking is not the best habit though, so why not pick this adorable little guy instead!