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 calculatorupside down*
2 woah it says BOOBIES!!! holy shit!! i just thought it said 5318008.
Mark: look what i wrote
James: that just says 5,3,1,8,0,0,8,9,1,8
Mark: no look *flips calculatorupside down*
James: woah it says BIGBOOBIES!!! holy shit!! i just thought it said 5318008918.