1.What you see is what you get. No hidden meanings, no spin and no need to over analyse.The meaning is the phrase. In reference to the Samuel L Jackson film.
2.An expression of resignment to a predicament.
Guy 1:whats that new Samuel L Jackson film about?
Guy 2: Its about snakes on a plane dude!
I've had it with these muthafuckin snakes on this muthafucking plane." -Samuel Jackson, Snakes on a plane