The act of running around a open world game map collecting every item along the way to only return to the start to sell everything. Considered extremely douchey and typically happens when there is a crowd watching.
"The other day I was watching Mongo play Deus Ex Human Revolution, he was Bensoning the whole time. I clawed my eyes out in boredom."
The act of spontaneously breaking into musical-esque singing and dancing in everyday conversation for no reason whatsoever.
One who performs these acts is known as a "Benson".
Bro A: How'd that date go last night?
Bro B: It was pretty good, until I turn around and she's Bensoning all over the place.
Bro A: Like full-on Bensoning?
Bro B: Yeah, it looked like I was on freaking Broadway.