The "weirdo" in the title refers to Eleven, the mysterious girl Mike, Dustin, and Lucas find in the woods.
A key moment in the episode involves Eleven using a board to explain what happened to Will.
Mike officially gives her the nickname "El," shortened from the "011" tattoo on her arm. Chapter Two: The Weirdo on Maple StreetStranger...
In " Chapter Two: The Weirdo on Maple Street ," the mystery of Hawkins deepens as the core groups of characters begin to uncover pieces of the truth. This episode is pivotal for establishing the show's supernatural mechanics and emotional stakes.
She flips the board over to represent a parallel dimension—later known as the Upside Down—and places the "Will the Wise" token on the black underside to show he is hiding. The "weirdo" in the title refers to Eleven,
She places a figurine of the Demogorgon next to Will's piece to indicate he is being hunted by a monster. Secondary Storylines Full article: The Gothic Pasts of Stranger Things
Eleven lacks basic social understanding; she nearly undresses in front of the boys when given fresh clothes, prompting Mike to explain the concept of "privacy" and the bathroom. In " Chapter Two: The Weirdo on Maple
When Lucas threatens to tell Mike’s mother about her, El uses her telekinesis to slam the bedroom door shut, revealing her abilities and suffering a nosebleed from the effort. The D&D Translation