Zeke
I used to say jiff, but its giff
Anonymous
Jiff!
Anonymous
The creators of the format use "jiff", although they allow "giff" as an acceptable variant. "GIFF" tends to be more common in the UK, since "Jiff" more commonly refers to toilet cleaner/bleach.
Mathew
Giff
Rachel
GIF with a hard "g." It stands for "graphic image file."