It first appeared in the movie "Horrible Bosses." It basically just means your gunna bend that bitch over and stick it in her and show her who's boss.
Chandler: "Hey bro are you gunna get with her tonight?"
Jake: "Hell yeah bro Imma make sure she's sore tomorrow. I'm gunna bend her over a barrel and show her the 50 states."
Chandler: "Thatta boy"
by ONEohTWO January 10, 2012