>>37895684pretty subpar explanation.
糞餓鬼
Kusogaki means stupid/shitty brat. Basically an annoying kid who back talks and doesn't listen to your authority and the rules.
雌餓鬼
Mesugaki is a semantic change of the first kanji of kusogaki. 雌 Mesu's general definition is female, but more specifically a female animal that's kanji is widely used for female animals that are in heat or ready to be bred. Basically a bitch in heat. Bitch in japanese is more akin someone who's slutty vs our slang, more true to it's origin. 雌 Mesu is used in the term for bitch (female dog) for example.
Overall "Slutty Teasing Annoying Brat" would best describe the term in english.
>>37896160language is fun.