The mun realized something and Yang is way too happy to point it out

[guntlets]

[So, hey Dear Mun. Have Yang Xiao Long in hysterics, complete with clutching her belly and some knee-slapping action there.]

[She manages to say after letting a couple more chuckles out.] You just figured it out now?? Seriously? Oh man!!

[s-snort mun pls]

Weiss was using a swordfish! A Sword. Fish. [The emphasis is clearly important.]

'Cause she uses a sword, geddit?

[Someone's having a whale of a time here...]