What is Back It Up?
1.
What a guy says to a girl he's fucking from behind - asking her to push her ass back so she grinds onto him.
Also, in lesser used context, it means a girl has a nice ass.
*A couple doing it doggy style*
Chrissy: "Oh that feels so good!"
Tom: "Oh yeah, you want it harder?"
Chrissy: "Yes!"
Tom: "Back it up, back it up!"
See
Random Words:
1.
People that are proud of their locality. Also novelties you would only find in your hometown or local area.
People with bumper stickers..
1.
A type of gay sex that resembles bumping donuts...but with men.
Jo and Ralph were bumping dicks all night.
See bumpin uglies, bumping ..