Bigbrainity 

When someone has a brain too big it malfunctioning

Jaani is showing signs of Bigbrainity

Bigbrainity by Cutie patooty April 6, 2021

bigbraining

When a girl uses a guy to get answers, favors, money, etc.

Person A: she just texted me again she likes me and wants me to help her with maths
Person B: she's obviously bigbraining you

bigbraining by BURGERDONALDS September 1, 2019