it is a descendant of deez nuts, not updog
the problem with ligma in relation to deez nuts is that the setup to deez nuts usually involves slipping in a "dee" into an otherwise non suspicious statement and when someone asks who/what dee is, you get em:
https://www.youtube.com/watch?v=ejjEPEUBVmwbofa works because it sounds like a legitimate acronym to something or name for something. like "bank of america"
ligma only has the "it could possibly be a legitimate disease" factor. no dynamic to it