NMF is the abbreviation of the commonly used phrase "No More Flamingos!" Which associates with the word Flamingo. This is a sensual way for an individual to express the agony it has been through after the terrors of the friend-zone and removing the dreadful person from their lives. This is often also used with a hashtag to represent any eventful pictures that may portray the lack of need for the individual Flamingo .
Oliver: Yeah boys NMF the bird is gone!
Dylan: Oath in the moath lad