If you’re a member of an online mommy group, there’s a good chance you will come across a slew of abbreviations. Mom groups can be helpful to us for a variety of reasons. If you’re looking to join one, may we suggest the Cotton Babies: The Mob on Facebook. Here’s a dictionary of our unofficial list of the most commonly used abbreviations and terms. Hopefully, this list will help you join in the conversation! 4.0 – 4th style of bumGenius Original pocket diaper; see BG4 5.0 – Latest version of the bumGenius Original pocket diaper; see BG5 AI2 – All-in-2 Diaper; Usually