The"fumes" come into play when the motivated party begins to believe and act on the motivators hype.
In most cases this technique is used to manipulate someone into ether making a fool out themselves, or inducing a since of loyalty by encouraging ego driven megalomania.
On occasion the motivator me be so convincing that he induces a adrenaline rush within the motivatee. These often temporary effects may cause the motivatee to uncover hidden talents, and enable them to complete a seemingly impossible tasks.
However,in other situations it my force the motivatee to recognize the harsh reality of the situation. In most cases, this happen during the try and the fail stage of the motivatee's ego driven efforts.
This is a great technique for bait n' switch confidence scams.
The term "Gassed Up" is in the Urban Ego family and has a working relationship with terms such as " The Vapors" (See Biz Markie - Greatest Hits album).
To avoid such a situation secure your ego with research, connections, and a applicable skill base.