Frozen into a popsicle, how to reply to him humorously?

Really? It's too exaggerated. The word "frozen" first appeared in Shuowen, which belongs to pictophonetic characters in Liu Shu. When the word becomes a popsicle, you can reply to him with real humor and exaggerated humor, which shows that you can understand his feelings between the lines. Therefore, it is very appropriate to reply to this sentence.