A yukkuri thrashing back and forth crying and making demands towards someone, usually her parent or owner but can be anyone (sometimes even towards the world in general). Often done out of frustration because they can't take it easy or because their demands are unfulfilled.
Prominently done by spoiled koyukkuris demanding easiness. In particular wasa reimus are prone of throwing tantrums due to their naturally spoiled nature
"Maricha want to eat sweet-sweets!! Mishter cake! Mishter cookie! IF YOU DON'T GIVE MARICHA SWEECH-SWEECH YOU'RE A SCUM!!!"
"Reimyu ish born to chake it eajy! Mishter clothes! Sweet-sweets! SHITTY PARENTS! MAKE REIMYU EAJY RIGHT NOW!!!"