Marcie Fleach, better known as "Hot Dog Water", is a friend and former rival of Velma Dinkley. Her cruel nickname comes from smelling like recycled water used to cook hot dogs.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...