What are some things armpit learn about Kiara during their walk at breakfasts

While taking a walk afterwards, Armpit tells Kaira that he will tell her his nickname on the condition that whatever body part it is, she must touch him there. Following through with the agreement, Kaira touches Armpit's armpit. Afterwards, Armpit almost kisses her. However, they are stopped by Fred, Kaira's bodyguard.