noun, masculine/bɑ̃.dœʁ/plural: bandeurs
bandeur is masculine in French.
Used to designate someone who idolizes and overprizes something or someone without perspective, sometimes until obsession. Akin to the slang dickeating in english.
“C’est une dinguerie à quel point t'es un bandeur de F1.” — It's concerning how obsessed you are with Formula 1.
Related: bdg
From bander + -eur.