An exclamation of excitement, usually about little girls. Frequently accompanied by the crying emoji (😭) and the slang "cunny".
It originated from a tweet made in spring 2020 by dorontabi under the handle @mammoth_2020:
うおおおおああああああ！！！子供エロっ!!!!!!子供の腹と胸!!!!!!エロだ...😭😭😭 Translated from Japanese by Google: Uohhhhhhhhh! !! !! Child erotic !!!!!! Child's belly and chest !!!!!! Erotic … 😭😭😭
