also gismo, 'a thingy', a gadget, useful object; the term 'gizmo' may also refer to things of abstract nature which are helpfull (vide: 3D Graphics Designing in #d Studio Max, or Computer Programming)

any advanced technological device, usually pointless and/or confusing. similaly: gadget, widget, whatchumacallit, etc.
palm pilots, global positioning systems, radar detectors, digital camera widgets, generally anything small and electronic.

The cutest thing ever.

Gizmo is that little creature from the movie Gremlins and Gremlins 2. He was the nice gremlin.............

Much like the gremlin Gizmo, only in human form. A spoiled child. The child is cute and cuddly until you piss them off by telling them the dreaded word "No" then they turn into a hideous little monster.

Derogatory term used to describe someone of Japanese descent. Derived from the fact that these people are always gizmo-ing about and making crazy devices to do all sorts of perverse things that only the Japanese could think of.

Try calling your Japanese friend a gizmo, and you'll see just how right it feels.

1. Electronic device, gadget, ...
2. Reference to the Gizmo5 Project, a VoIP company

Gizmo is a word used to describe anything that has any amount of technology in it.