Top definition
They most beautiful girl you will ever lay eyes on. Everyone wants to be a Sine. They are very nice and have tons of friends. They have a great personality and are great girlfriends.
I love that sine. She is so beautiful.
by Ugetpwned123 October 26, 2011

### Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

2
1. A mathematical function.
sin 30 = 0.5
sin 45 = Sqrt 0.5
sin 60 = Sqrt 0.75
1. Find the sine of pi in radians
by jiexi December 08, 2003

### Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

3
Sine is from the Old Norse name Sinri which means "roaring lion" in old scandinavin language.

It was derived from the elements sinr "victory" and fríðr "beautiful, fair".
Sine is victorious like a lion and fair as the fur that surrounds her
by hrmf November 15, 2010

### Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

4
The type of wave used by pure frequencies. An example is the profanity buzzer you hear on TV. Other waves are square, triangle and sawtooth.
You want a TEXT example of a sine frequency? *beep*
by Commander Cool (Me) June 25, 2007

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.