obsternasig
To be a rude little kid and make adults angry by trying to sound fancy. Kids do it when they think they’re being clever but actually just sound like they’re trying too hard.
He obsternasigged his teacher by saying ‘I’m not a skitunge’ and then forgot the word.
My kid obsternasigged her mom by calling her a ‘nesevis’ and then asked for a phone.
She obsternasigged her brother by saying she was smarter and then got beaten up.