5318008 

When typed into a calculator and flipped upside down, the display reads "BOOBIES".

5318008 by Soiled Undergarment September 29, 2003

5318008 

5318008 when typed on a calculator and held upside down spells BOOBIES. also a possible phone number in different area codes because it has 7 numbers.

1 dude look what i wrote
2 dude that just says 5,3,1,8,0,0,8
1 no look *flips calculator upside down*
2 woah it says BOOBIES!!! holy shit!! i just thought it said 5318008.

5318008 by my name is a secret shhhhh March 8, 2011

5318008 

A term in which if you type it into a calculator and rotate the calculator 180° it reads BOOBIES.

in math class

Jimmy: *SCHNOORT* HEY MRS. DINGLEBERRY! IF I TYPE IN 5318008 INTO THE CALCULATOR THEN FLIP IT UPSIDE DOWN IT SAYS BOOBIES!

Mrs. Dingleberry: fuckmylife

5318008 by galaxiya June 24, 2018

5318008 

Upside down in a caculator and it'll mean "Boobies"

Friend 1: Hey pal, look

Friend 2: What

Friend 1: shows 5318008

Friend 2: Oh wow, so funny!!

5318008 by KillYourselfKYS June 6, 2023

55318008 

If you put this number in a calculator and turn it upside down, it says: BOOBLESS.

boob

R U 80081355 or sumthing?

55318008 by Alex December 29, 2004

5138008

If you write 5138008 on a calculator then turn it upside down it says BOOBIES.

check it out 5138008
what?
oohhh 5138008 u mean boobies

ya!!

5138008 by dave12345ish June 1, 2006

5218008 

If you type it in a calculator and flip it over it says: boobies.

5218008

5218008 by Death_Rider October 23, 2014