A fork of Rural Dictionary
Underwear that has been worn, discarded and then put on again.
He knew it was a mistake to wear back ons on the day of his wedding.
By the smell of things you're wearing back ons again...
A very significant bowel movement.
Thad: Do not go in the bathroom for the next hour!
Chad: Why broseph? The frat party starts in 30 minutes!
Thad: Trust me! Let it air out!
Chad: But why?
Thad: I had to back one in. And it was a healthy one too!
Chad: Huh?
Thad: You know: Dump some trout, Drop the kids off at the pool, Let one rip.
Chad: OK I gotcha. You could have just sent you took a massive dump.
When you have to do something over again
It is a bad day, you finished your project and the wind blew it away. You're so furious and you've to do it all over again. This is what you called "Back to square one"
means to have an alcohol beverage, to get drunk
After work Im going to throw one back.
When you're back to where you started, all progress has been lost
Man, someone shredded my 500 page essay... well now I'm back to square one