1.A outlandish statement that could possibly become true, but is very very highly unlikely.
2. A given statement that is so highly exaggerated that it is humorous.
Person 1- "Dude, they are just going to hand the offensive schemes over to Will when he gets there."
Person 2- "Thats a bold statement."
Person 1- "I heard James runs that shit University of Georgetown."
Person 2- "Thats a fucking bold statement dude."