kid flu 

the sickness that your children bring home from their respective school buildings

Every December Merle and Julia miss a few days of work with the kid flu, causing them to question having children in the public education system.

kid flu by Slamb Doctor April 21, 2018

Kidfluence 

Noun
kidfluence (uncountable)

(marketing) The influence that children exert, both directly and indirectly, on the consumer decisions made by their parents.

Game makers found they didn't have to appeal to parents as buyers as they could activate the pressure of "kidfluence."

Kidfluence by CannabisKings March 26, 2019