Folge Mariexo. live auf YouNow! Mariexo. is at level 3 with 37 fans! Marie xo. SubscribeSubscribedUnsubscribe 1. Loading Loading Working Language: English; Content location: United States; Restricted Mode: Off. History. 1 definition by stephanie marie-xo. Top Definition. Lake Effect Kid. 1. A song by Fall Out Boy that talks about where they grew up (Willmette,Illinois, a little north of.