A phrase common on various imageboards, especially the Chan boards.
The phrase is used to imply that someone is simply a tourist from Reddit-- which the Chan boards specifically despise-- and therefore must "go back" as they are not a part of this community.
Anon 1: "Wanna see my dank memes?"
Anon 2: "You have to go back"
A very uncomfortable place.
"Shit dogg, I banged that girl in a very uncomfortable place last night."
"Like the back of a Volkswagen?"
"No, I'm talking about in her ass."
When an individual is so obese that when viewed from the rear the rolls make it look like there is a set of tits on thier back.
I was in wal-mart the other day and I was walking behind a chick so fat she had DD size back boobs.
a Back Hamburger is when a fat person has 3 rolls of fat on thier back which makes it look like a Hamburger
Me: "Dude She has a Back hamburger"
Brad: "LOL Epic Back Hamburger"
A firm, round, juicy butt.
A: "Yo son, did you see Tammy's butt in that dress?"
B: "Yeah man, that was a strong-back."
a warning you give to a mo'fo thats been on your nerves for the longest time just before you blast thier ass wide open
BACK DOWN b'fo i gots to blast you mutha fucka!
To pull the trigger
To get ready to beat someone's ass with your mouth or fist.
However you choose to show someone you are not to be played with
I'm about to cock back on this ho