FOMA mama Share definition Flag Related to the word "FOMS"....fear of missing something. A FOMA mama is a mother that has a Fear Of Missing Anything with her kids to the point that it gets compulsive. She is such a FOMA mama that I can't even text in front of her without her getting in my business. FOMA mama by ISOLMAO July 14, 2009 0 0 Get merch Get the FOMA mama mug. Buy Now — $32.95 See more merch