The full form of IMVU is instant messaging virtual universe.
The acronym “IMVU” represents the phrase “instant messaging virtual universe.” It is the title of an online chat program used by many to interact and chat with other online users.

Origin of IMVU
The acronym “IMVU” became the title of an online chat program in the early 2000s. In 2004, IMVU, Inc. was created by a group of investors and backers. It was advertised as a form of social networking and online metaverse. Users of the program can make their 3-D avatars in the shop where they can buy clothing, furniture, pets, and rooms. Users interact with other users via chat and poses which include dancing, sitting, walking, cuddling, etc. The program can also be used to play games with other users and has a built-in creator program where users can showcase their talents by creating content such as clothing, rooms, furniture, poses, etc.

Other Meanings
There are currently no other known meanings of the acronym “IMVU.”

Example Conversations
Friend 1: What are your plans for the rest of the night?
Friend 2: Nothing much. I was just going to stay home and log on to IMVU for a bit to update my product catalog.
Friend 1: Want to go out and have a drink with me instead?
Friend 2: Sure! Sounds like a plan.
An online conversation between two Facebook users.