The gang was asking about Emily, the robot she made standing behind her, but Entrapta, being the lovable goofball she is, thinks theyre talking about the smoothie in her hand.

I think original depiction of this meme involved a cat. It could just be that while she's drinking on the drink that everyone is in danger, or other situations and Antrapta is just trying to find some sense of amusement or enjoyment despite having a task such as having to repair someones ship.

"In the context of her character holding the smoothie in the show it could be a centext like, what do you have there while you're supose to be working on fixing our ship?"