phillum
n.— Note: From an exaggerated pronunciation of “film.” This term seems to be similar to the American fil-lim. «If you are looking for a “timepass phillum” this weekend, pass on this one. “Dil Pe Mat Le Yaar” is not only an intelligent film but a film that will make the willing viewer think.» —“Dil Pe Mat Le Yaar” by Anish Khanna Planet Bollywood (San Ramon, California) Mar. 6, 2002. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Rose in Edmonton, Kentucky, notes that many people in her area pronounce the word idea as if it were ideal. That’s a common dialectal feature in the Southern United States, as well as Appalachia and the Mid-Atlantic. In parts of New England...
“Fillum”, however spelt, is a long-established colloquial/humorous pronunciation of “film” in British English. I remember my Grimsby gradparents using it (seriously), which would have been in the 1950s.
Also, “fillym” is the Manx word for film.