Wikipedia page: Lomography

Lomography was a fad from some time ago which involved using cheap, old Russian film cameras, primarily a camera called the LOMO LC-A, to create pictures with a poor technical quality.

The term is a trademark of Lomographische AG, an Austrian company who now manufacture that and a range of other cheap plastic cameras for sale in the same style as old plastic Russian cameras.

From Wikipedia:

Most Lomographic cameras are designed to produce photographic effects such as "oversaturated colors, extreme optical distortions, rainbow-colored subjects, off-kilter exposure, blurring and alternative film processing, all things usually considered bad in photography."[7] For example, the Lomography Fisheye camera features a built-in wideangle lens, and shoots fisheye-distorted photos. In 2005, production of the original Lomo LC-A was discontinued. Its replacement, the Lomo LC-A+, was introduced in 2006. The new camera, made in China rather than Russia, featured the original Russian lens manufactured by LOMO PLC.[8] This changed as of mid-2007 with the lens now made in China as well.

The idea was that having such a poor quality camera freed photographers from concentrating on their equipment and instead forced them to try and concentrate on the art of taking pictures - that is, composition and timing.

In a way, however, it was a bit of a fad or a crutch. Sure you could take a great photo with it, and there have been (and continue to be) serious photographers work with it, but along with this there were also a lot of what amounted to unskilled photographers taking boring photos with cheesy effects.

If done well, you could probably use it in a photography course as a learning aid to teach students to create pictures with poor equipment.

If I use my old film camera am I doing Lomography?

No. Lomography involved using specific cameras with non-interchangeable plastic lenses, limited apertures and sometimes little control over focus, and a lack of virtually any automated functions other than exposure time. Using a film SLR or even a compact film camera from the last 30-40 years is not Lomography.