Combining the words "accoutrements" and "mommy" to define a female parent who insists on having every imaginable accessory for her newborn child, which often has a lengthy gender-neutral name. The accoutremommy enjoys showing off her top of the line brand name baby in voracious scrapbooking work and judges others by how their baby's possesssions compare. She will ballistically defend her child and home from any products she deems are less worthy than more expensive or prestigious brand names.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.