UNO Reverse is in reference to the UNO card game. It means "back at you". It's usually used when you want to be polite, without being extra.
Linda: I love you!
Lilian: UNO Reverse back.
This is a sex move where a guy is giving anal, stops, and his partner gives a blow.
That girl was freaky. We went from back door to top floor.
when someone tries to get in your face, it's crazy
Kendall, back tf up
She jumped the broomstick with him, but I told her to jump back because I was in love with her.
Often used in sports when one is not moving with efficient speed, or, when one is required to lose weight.
slow poke, speed, slow as whale shit, Fat Albert
"Get the fridge off your back, Jim"
or
"I need to go to the gym to get this frisdge off my back"
An extra person that you keep in your back pocket on a sense
"I won't be used as a back up card if you break up"
A condition. Typically occurs on a Monday monring after you’ve spent a Sunday bent over building a shed. You back may never recovere. You are no longer 25z
Got-dayum, I got muhself some shed back after yesterdee’s shed buildin’