

Assuming you mean texting style acronyms, yeah, we have them in German and I’d assume in other languages too.
Alongside the stuff borrowed from English 1:1, there’s stuff like bb for “Bis bald” (See you soon) or hdl for “hab dich lieb” (Love you)
I’d assume other languages do the same out of efficiency or laziness.
Carnivore diet is a weird way to phrase it, it really depends on the consistency of the food, but I do mostly eat meat because it causes the least problems.