Big O

super intense orgasm in which female ejaculate is released (not urine)... speculation puts phenomena at 1 out of 20 women able to achieve

Cheryl knew all about the Big O

by TXDOC March 29, 2006

big O

1. an orgasm, a sexual climax

2. opium

Once I reach the big O, there is no turning back.

by The Return Of Light Joker November 05, 2007

The Big "O"

an orgasm; cumming; seeing god

"The Big O" with a woman has been elusive for Pete for many years.

by Total Penetration June 04, 2005

Big O

A notation used to denote the run-time of a given algorithm.

"So our lower bound here is O(n log n)."
"Nope. Got it in O(n log(log n))."
Elaine bested Donald Knuth at Big O Notation. So she left.

by Advanced Programmer April 23, 2009

big O

a giant robot in the anime big O

guy:*looks at watch* BIG O! *robot appears*

by O_oo_O July 17, 2003

The Big O

Nickname of basketball legend Oscar Robertson.

There has never been a basketball player more versatile than The Big O.

by IcebergSlim78 March 13, 2009

big O

one who is large, cheerful, and especially O-ish in nature

"Big O has got to be the coolest kid in the world.....next to Kearney"

by Big O April 24, 2003