Gablou - It's a word that doesn't mean anything, but you can call som

It's a word that doesn't mean anything, but you can call someone Gablou if you want to be annoying

In a DM, my friend writes: 'You're so Gablou today' and I'm like, 'What? Why?'

My teacher calls me Gablou and I get in trouble for not knowing what that means

My little brother says 'You're Gablou!' and I punch him