If somebody "always has your back" it means that they are always there to support you, protect you, help you, etc.
Your best friends, family members, etc. are people that usually always have your back.
-your best friend always has your back in times of need.
One's will to carry the team, and not let any obstacle come in between.
I can't believe we were about to lose that tennis match. Way to put the team on your back and win it all!
To bang someones back passage with either a penis , cucumber or rolling pin!
Hmmm Smash your back doors in - Do we really need an example?? I have pictures if that would be more useful?
"Look, I'm not trying to date you. I just wanna bust your back out."
Verb. Meaning to have a part in a fight in the direction that the primary fighter is facing, or also to mean a person will accompany another in a stupid or foolish act.
"If Jerry swings on me, will you be there?" "Yeah, I got your back" or "I'm going to go drink a fifth tonight, wanna go?" "Sure man I got your back"
a person/hook up that you have at your convenience and can rely on for sex but aren't very invested in because of lack of emotional attachment. you could ditch them at any point.
It's not like you really gave a shit about Jacob anyway. He was just an ace in your back pocket.
The act of anally penetrating someone.
As the girl walked by, Oz said "I smashed her back doors in"
Mike said to Edie "Can I Smash your Back doors in?"