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Define Back Up Meaning

Back Up
When you drive your car in reverse, you back up.

That moron scratched his car when he backed it up.
You should use both side and rear mirrors when you back up your car.
By Nola
Back Up
There are 2 common meanings:

1/Used in military or police force: Reinforcements, support, help.

2/Computer using: create your secured data in case the computer goes down suddenly, mainly to prevent data loss.

1/Police officer shouts via radio: "Shot fired, shot fired. Officer down. Unit 26 to base, we got a situation here. We need back up immediately!" - "Roger, just hold on. Back up are on the way."

2/Before installing Smart Windows Care, we strongly recommend you to back up you data first to prevent yourself from losing important data.
By Tasia
Back-up
A dancefloor technique to attract the attention of a partner. Essentially this involes backing your bootie towards your partner and getting close, often thrusting. This technique will initiate a grind type of dancing.

She's backing-up to you dog! Get in

Let's get on the dancefloor dog. We can back-up on those hotties over there
By Georgina
Backed Up
An unusually large amount of semen stored in a man's body due to lack of ejaculation

I haven't jacked off in weeks. I'm backed up.
By Leoline
Backed Up
Unable to leave loaf

I ate a whole block of cheese and now I'm all backed up.
By Cathlene
Back Up
More comfortable way to say tampons or maxi pads in public.

"Hey, can you check aisle 2 for tampons back up for me?"
By Rosie
Backing Up
To carry on drinking alcohol after vomiting due to excessive boozing

Barry did a great job of backing up after his last vomit
By Bev
Back Up On It
A phrase used when a small to medium sized girl with blonde hair and a heart shaped booty " pops locks and drops it" infront of you in a very flirtacious manor by "dipping it low" and pushing her ass into you on the way up, in hopes of getting your attention.

Guy 1: " Dude i was just here minding my own buisness and suddenly she came out of no where and tried to "back up on it" against my leg!

Guy 2: " All she wanted was for you to say something about her ass, she feeds on attention."

Guy 1: "Well i tried yelling "Back off Bitch", but it didn't seem to work, i will just be ready for next time."
By Meggy
Backed-up
Strong and muscular.


That teacher, he be backed-up.
By Phillida
Backed Up
adj. strong or musculer

I am a backed uped to the fullest
By Karil