Spanish lesson

Years ago, when my son was a toddler, my mom was totally into buying him overalls. At the time there was not a big selection of little boy fashions and Osh Kosh By Gosh were her outfits of choice.
My mom came over with a new pair of overalls and some slacks for Bear to try on.
Nana asked Bear to model the outfits for her. Relunctantly, my son tried on the slacks one after the other. I could tell he was slightly annoyed and was almost done with the impromptu fashion show.

Sensing this, Nana prodded "Please try on the Osh Kosh, By Gosh!



With a puzzled look on his face, he was quiet for a moment. With his head pointed down and his brow furrowed, he looked up with only his eyes and asked "Nana why are you speaking Spanish?