[ She yanks Erina's arm in to cover her mouth with her free hand, only half aware that their elbows are still interlocked. She has to make a concerted effort not to make coffee come out of her nose-- ]

Were you sitting on that stupid pun and waiting to use it on me for weeks, or did you just come up with it in the spur of the moment?! Either way, you bet your ass I fucking hate it!

[ And it gets worse. ]

You had a perfectly good chance to use cutlassment, and you wasted it! For Gods' sakes, even has "ass" in the name! It would have been perfect!