IFM is an acronym for "In Fond Memory", usually used for a thing (not a person) whose value is dying or has died, i.e. a movie or a product going flop.
To IFMD: Is to partake in the act of fucking ones father, or dad. IFMD Is merely an acronym for "I fuck my dad". But really it doesnt matter whos father you sex, because you can always just yell IFMD.
Yesterday, I was on a date with this hot girl and when we were about to kiss, I let the biggest fart out. ifml
There was a photoshoot of the swim team for my yearbook today. The photograph looked like such a milf, and I got a massive erection. The photo was taken with me and my erection in the centre. ifml