In folkloric terms, a "changeling" is a fae creature left in place of a human child. This theory suggests that "Mom" was replaced weeks ago. "Bill" is the father who refused to see the signs. The phrase is not a warning to Bill—it is the entity admitting the truth because it knows Bill is too asleep (in denial) to act.
A popular medical theory posits that Bill is in a coma. The person speaking is a nurse or a visitor. "I'm not Mom" refers to the fact that his actual mother died years ago. The "Verified" tag represents the doctors confirming that the woman sitting at his bedside is an imposter using his trauma to keep him sedated. bill wake up i m not mom verified
The phrase is a classic example of "Internet Poetic License." The child almost certainly did not say "verified," but the internet embraced the misheard lyric because it added a layer of surreal, social-media-focused humor to an already funny clip of a toddler acting suspiciously. Guide: The "Bill Wake Up" Meme Theory 1: