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when a grown-up pretends to be a teenager on TV, even though they’re old enough to be the kid’s dad; named after Gabrielle Carteris from Beverly Hills 90210
My mom said I had Gabriel-syndrome when I tried to act like I was 15 at the mall.
That actor on the show is so bad at pretending to be young, it’s like Gabriel-syndrome in action.
My teacher called my friend Gabriel-syndrome because he still thinks he’s cool enough to be in a boy band.