What does gif mean in text slang?

Answer 1

A GIF is a virtual moving picture. It is like a short video without sound that loops over and over. While texting people have the option to send GIFs to each other, often when it makes them laugh or it is related to the conversation.

Answer 2

Gif in text slang means Graphic Interchange Format (pronounced "jif"). It is essentially a video cut up into frames at a fast speed, much like a stop motion.

A good source to look at this is Urban Dictionary:

http://www.urbandictionary.com/define.php?term=GIF

Answer 3

it is a file format and means graphics interchange format