What is Dirty Gizmo?
1.
A dirty gizmo is being slapped or hit.
OR:
Getting slapped in a dirty way (butt, boobs, ya know), then you yell "DIRTY GIZMO!"
Person 1-"Did you just slap me?"
Person 2-"yeah, I dirty gizmo people frequently"
OR:
Person 1-"omg, I just walked down the hallway and that guy slapped my ass!"
Person 2-"Oh dang, he dirty gizmoed you!"
See