Ellie pokes her in the side with her to-go box since her other hand is occupied, gives her a smirk. Yeah, she bets she will.

She makes a loud, disgusted noise on the heels of Clarisse's threat though.

"I'm taking my pillowcase off and putting it over your head while you're sleeping," Ellie grumbles back, giving the girl a cheery "wave" by shaking the box in her direction. She quickly gets interested in something on the countertop so she won't have to make eye contact.