Noun
neon sign (plural neon signs)
An illuminated sign constructed from fluorescent lights in the form of bent glass tubes; the different colours being obtained by adding different noble gases to the neon.
Everyone always noticed Ashley. She was like a flashing neon sign for anyone with an ounce of testosterone. Nicholas Sparks
My hair is such a statement that it's like a neon sign asking for trouble. Natasha Lyonne