3
It is brought from New York and it is short for ONE LOVE, people use it as a departure. When you talk to some one your close 2 or even a friend you would say 1, befor you get off the phone or when your leaving your freind or family.
Jonella: well i gotta go so call me later ok!
Devin: aight das kool imma hit'chu up ~1~
by Nitrizzy February 24, 2005
Get the mug
Get a 1 mug for your cat Rihanna.
4
The only whole number which when added to itself is greater than when multiplied by itself—when addition needn't always be less than multiplication.
The number 1 is the only number that doesn't change any number by multiplication or when used as a divisor: 2 × 1 = 2 and 2 ÷ 1 = 2.
via giphy
by MathPlus December 15, 2016
Get the mug
Get a 1 mug for your bunkmate Günter.
5
A: The first natural number.

B: Binary code for "On" or, in images, a black pixel.

C: Number used in replacement for an exclamation mark in chatpeak/1337speak circumstances where one or more users is saying something exiting. See example.
A: 1, 2, 3, 4...

B: 0010110101101001010

C: Lyk ZOMG that is t3h pwnsomest!!!11!1!11one
by Kazyan October 02, 2006
Get the mug
Get a 1 mug for your daughter Beatrix.
6
1 is short for one love.

It is used for good-bye or 'Im out'
Keith:yo bb im 'bout to leave
BB: iight keith, 1
Keith:1
by Bahamaboy06 July 10, 2005
Get the mug
Get a 1 mug for your mama Jovana.
7
the number that comes before the number 2
after 1 comes 2 and then 3 and then four
by hey hey imma biga February 22, 2008
Get the mug
Get a 1 mug for your brother-in-law Manafort.