According to Hector, A local father in Bremerton. A Mom-sum is defined as a Mother of multiple children that she carries on her at the same time, does their best to maintain a happy home and even though she have support from others, will often decline the help, Being a mom-sum does include playing dead when receiving phone calls or knocks at the door.
Wow, Did you see that lady carrying both her kids at the same time she must be strong!
She not strong she is a Mom-sum