d.c.b.
The girl who's so ugly and boring, she makes your date look like a hot mess. She sits there like she's judging your life choices and won't even let you flirt with anyone.
The D. C. B. at the party was still talking about her ex's mom.
My date ran away when the D. C. B. showed up.
She’s the D. C. B. and still hasn’t had a single drink.