Urchie:
Yall are such eggs
lol, i didn't know what this meant.
i am old, sorry, lol, my slang is vintage.

my partner, who is both trans and more than a decade younger than me (but still probably old from urchie's point of view) explained it to me.,
we both thought it was funny, not offensive.
it seemed to read the room pretty well, and wasn't directed at anyone in particular.