Wordplay

My six-year-old was eating a cup of mandarin orange sections. As he twirled his fork in the air, idly, I asked him, "What would you have if that fell on the floor?"

"A floorange!" he cheerfully replied, without so much as a moment's pause.

I'm not at all surprised that he has my sense of humor, but I thought I'd have at least few more years before he was so quick-witted.