Vanilla Brain
when the receptors in your brain have been gloriously untouched by things like recreational drugs and excessive video gaming, and thus remain sensitive to serotonin and dopamine.
Coworker 1: "yo why the fuck Sarah always writing motivational sayings on the whiteboard during break?"
Coworker 2: "oh, she got vanilla brain bro"
Coworker 2: "oh, she got vanilla brain bro"