The balls-up took place as Siobhan Riley informed viewers in Saginaw, Michigan about traffic hold-ups caused by building works.
According to the sun, while drawing a map of the affected area, Riley accidentally sketched a huge man’s member.
Her X-rated diagram was spotted by a viewer who quickly uploaded it to YouTube – where it has been watched by more than 280,000 people in the past 48 hours.
US TV presenter draws phallic shape on screen during live news bulletin in Michigan
While some internet users have speculated Riley could get fired for her mishap others have taken the opportunity to poke fun at her mistake.
Rocketpunch12210 wrote: “Looks like whatever they are constructing, it is already fully erected.”
While tazdaman351 added: “I’m glad there wasn’t an accident. That would have been messy.”
