Mombert Posted in M Best definition Mombertname American Idol Season 8 contestant, Adam Lambert’s, mother. Most fans call Adam’s mother -Leila Lambert- this. Person 1: -sees Leila- OMG IT’S MOMBERT!!!1! How satisfied are you with the definition? Looking for Mombert meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 63 times.