Verb. When you catch a yawn from another and it starts a chain reaction. Can be between two or more people.
We were trying to decide if we should go to bed or watch a movie. She wanted to go to bed so she bunny piggy backed me.
1. Worn out or in a state of disrepair.
2. An adjective used to describe someone who looks like a piece of worn out crap.
1. My converse are so taxed back I need a new pair.
2. Damn, Brittany Spears looks taxed back in that photo.
Back to your youth (?, not sure)
They got a divorce and went back to the green, but you can never go back there again (Billy Joel, Scenes from an Italian restaurant)
When you finish on her back but neither of you have showered.
"I heard Jerry gave Veronica a Cheese-Back last night, band kids are nasty."
it is your mom's credit card information
Ok now put the numbers on the back in chat
When someone giving a blowjob in 69 position slides down into the reverse cowgirl.
The 69 was amazing enough, then she did the down-and-back and it basically blew my mind.