WOMM
n.— «Traditional advertising isn’t all that effective and costs a bundle, but in comparison, word-of-mouth recommendations are incredibly effective and relatively inexpensive. Is it any surprise that WOMM (word-of-mouth marketing) became ond of the big marketing buzzwords in 2006?» —“Is your WOMM campaign ethical?” by Olivier Blanchard Corante Oct. 27, 2006. (source: Double-Tongued Dictionary)