When your friend is wearing an I.C. Light Mango shirt, and you need a word to rhyme with mango, to give her a new nickname
Sup, Mango Bango!
When rigging, the act of bypassing a certain step with the thought of " no one will use/ see this", only to have quite the opposite effect.
I ignored smoothing the weights on the mouth micro joints, seeing as they are barely used in animation. During dailies, Bango's law kicked me square in the dick when Anim Dept preceded to ONLY use the micro controls