Vantared Flag
Vantared (An imaginary color inspired by the color 'Vantablack') Flag is a term derived from the commonly used phrase "Red flag" used to indicate a very large red flag.
Bro 1: "Yooo this chick just told me she wants to take my blood in a vial and wear it as a necklace to show her love for me"
Bro 2: "Brooo that's mad creepy. Sounds like a Vantared Flag"
Bro 2: "Brooo that's mad creepy. Sounds like a Vantared Flag"