I think it may be a tie between
"Yakkos World"
and "I'm mad"
(The second one 'cause that is how every child on a long car trip; I'm Wakko, my little sis is Dot. Yakkos world 'cause it's catchy, and will hopefully help me with my geography next term)
posted over a year ago
i'm mad describes my family until i request bohemian rhapsody then we're hearing it instead of my sister fighting.