I’m in the UC system as well. It’s both concerning and amusing how much college students nowadays go to their parents for permission on minor things. I get it, to some degree. Respect for your parents and all that. But some degree of autonomy would be helpful at that age
Not necessarily an acronym, but here’s a fun one for Japanese: Laughing in Japanese is warau, which gets shortened when typing to just w. If you want to laugh a lot, you would type wwww. That ends up looking like a field of grass, so that in turn gets shortened into 草 (kusa, or grass). Basically, 草 is the Japanese equivalent of lol
Also, in Chinese, thank you is often abbreviated as 3q, because when you say it out loud, it sounds like “thank you” (san kyu)