What is 120?


"120" is computer hacker speak for the common chatroom term "LOL!" which often stands for "Laughing Out Loud!"

We examine the "LOL" and the "!" separately:

In the 'hacker language' known as 1337, the letters "LOL" are translated as "101"

This is because Ls resemble ones and Os resemble zeros.

The number "101" is the binary equivalent of the decimal number "5"

This is because 1(x1) + 0(x2) + 1(x4) = 5

If you take this 5 and follow it by "!" (as in the original term LOL!) that gives you 5!

5! is the mathematical representation for "5 factorial," the calculated value of which is 120

Therefore, LOL! = 101! = 5! = 120

In a chatroom...

AverageJoe: "The explanation for why 120 means LOL! makes my brain hurt LOL!"

HackerJoe: "Not mine 120"

See lol!, lol, 1337, hacker


120 is an elite, nerdy way of saying "LOL!" See 5.

LOLmeans "Laughing out loud" and is a common acronym used in chatting everywhere.

LOL (or lol), written in 1337 is 101.

101 in binary is equal to 5 in decimal.

The factorial of five (5!) is 120.

So, the factorial of LOL (5) is 120. LOL! = 120

You have a 56k dial-up modem? Hahaha! 120


1. A time period in which someone is placed in segregation for a long amount of time. (DSU, The Hole). Usually for a major offense. It equates to 4 months.

Other common sentences are 90 & 180 (which is usually followed with a stint in IMU)

I had my hearing today and got a 120 for that fight I had last week in the chow hall.

See hole, segregation, seg, dsu, prison, jail


120, as cool as you can get!!

"Nice trainers!!, theyre so 120!!"


1 Love (God)

2 Fingers (Peace)

0 Worries


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