We don't have synonyms for mamaa yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mama, mamma and maman.
(n) :
(technology) Acronym of Meta, Amazon, Microsoft, Apple, Alphabet. [Meta Platforms, Inc., formerly Facebook, Inc. (until late 2021): an American multinational technology conglomerate holding company that is the parent organization of Facebook, Instagram, and WhatsApp, among other subsidiaries.]
(n) :
(technology) Acronym of Meta, Amazon, Microsoft, Apple, Alphabet. [Meta Platforms, Inc., formerly Facebook, Inc. (until late 2021): an American multinational technology conglomerate holding company that is the parent organization of Facebook, Instagram, and WhatsApp, among other subsidiaries.]