Iranian American here, funny story about that thumbs up gesture: When we were kids, my Persian grandma made us dinner and she asked in farsi if my little siste

Iranian American here, funny story about that thumbs up gesture: When we were kids, my Persian grandma made us dinner and she asked in farsi if my little sister enjoyed the meal, having food in her mouth she gestured with a thumbs up. Thumbs up mean essentially f- you. My grandma froze, shocked, then realized what my sister meant and we all laughed.