Iki: Papa, look!! (touching papa-chan armpit hair)
Papa: It's armpit hair
Iki: wow, that's a lot
Papa: Yeah....a man has a lot of hair under their arms.
Iki: How about mama?
Papa: mama is a woman so she doesn't have it.
Iki: No!! she has it. You know? she always do this: wiiingggg wiiinggggg
(while making shaving movement under his armpit)